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611 lines
29 KiB
C#
611 lines
29 KiB
C#
using FreeSql.DatabaseModel;
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using FreeSql.Internal;
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using FreeSql.Internal.Model;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.Odbc;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace FreeSql.Odbc.Dameng
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{
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class OdbcDamengDbFirst : IDbFirst
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{
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IFreeSql _orm;
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protected CommonUtils _commonUtils;
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protected CommonExpression _commonExpression;
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public OdbcDamengDbFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression)
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{
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_orm = orm;
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_commonUtils = commonUtils;
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_commonExpression = commonExpression;
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}
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public int GetDbType(DbColumnInfo column) => (int)GetSqlDbType(column);
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OdbcType GetSqlDbType(DbColumnInfo column)
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{
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var dbfull = column.DbTypeTextFull?.ToLower();
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switch (dbfull)
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{
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case "number(1)": return OdbcType.Bit;
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case "number(4)": return OdbcType.SmallInt;
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case "number(6)": return OdbcType.SmallInt;
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case "number(11)": return OdbcType.Int;
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case "number(21)": return OdbcType.BigInt;
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case "number(3)": return OdbcType.TinyInt;
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case "number(5)": return OdbcType.SmallInt;
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case "number(10)": return OdbcType.BigInt;
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case "number(20)": return OdbcType.Decimal;
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case "float(126)": return OdbcType.Double;
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case "float(63)": return OdbcType.Real;
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case "number(10,2)": return OdbcType.Decimal;
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case "interval day(2) to second(6)": return OdbcType.Time;
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case "timestamp(6)": return OdbcType.DateTime;
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case "timestamp(6) with local time zone": return OdbcType.DateTime;
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case "blob": return OdbcType.VarBinary;
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case "nvarchar2(255)": return OdbcType.NVarChar;
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case "char(36)": return OdbcType.Char;
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}
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switch (column.DbTypeText?.ToLower())
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{
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case "bit":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(1)"]);
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return OdbcType.Bit;
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case "smallint":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(4)"]);
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return OdbcType.SmallInt;
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case "byte":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(3)"]);
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return OdbcType.TinyInt;
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case "tinyint":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(3)"]);
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return OdbcType.TinyInt;
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case "int":
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case "integer":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(11)"]);
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return OdbcType.Int;
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case "bigint":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(21)"]);
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return OdbcType.Int;
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case "dec":
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case "decimal":
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case "numeric":
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case "number":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(10,2)"]);
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return OdbcType.Decimal;
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case "time":
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case "interval day to second":
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case "interval year to month":
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case "interval year":
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case "interval month":
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case "interval day":
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case "interval day to hour":
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case "interval day to minute":
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case "interval hour":
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case "interval hour to minute":
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case "interval hour to second":
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case "interval minute":
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case "interval minute to second":
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case "interval second":
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case "time with time zone":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["interval day(2) to second(6)"]);
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return OdbcType.Time;
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case "date":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["date"]);
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return OdbcType.DateTime;
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case "timestamp":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6)"]);
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return OdbcType.DateTime;
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case "timestamp with local time zone":
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case "timestamp with time zone":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6) with local time zone"]);
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return OdbcType.DateTime;
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case "binary":
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case "varbinary":
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case "blob":
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case "image":
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case "longvarbinary":
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case "bfile":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
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return OdbcType.VarBinary;
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case "nvarchar2":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.NVarChar;
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case "varchar":
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case "varchar2":
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case "text":
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case "longvarchar":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.NVarChar;
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case "character":
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case "char":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.Char;
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case "nchar":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.NChar;
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case "clob":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.NVarChar;
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case "nclob":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.NVarChar;
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case "raw":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
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return OdbcType.VarBinary;
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case "long raw":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
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return OdbcType.VarBinary;
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case "real":
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case "binary_float":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(63)"]);
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return OdbcType.Real;
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case "double":
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case "float":
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case "double precision":
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case "binary_double":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(126)"]);
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return OdbcType.Double;
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case "rowid":
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default:
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if (dbfull != null) _dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OdbcType.NVarChar;
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}
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throw new NotImplementedException(CoreStrings.S_TypeMappingNotImplemented(column.DbTypeTextFull));
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}
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static ConcurrentDictionary<string, DbToCs> _dicDbToCs = new ConcurrentDictionary<string, DbToCs>(StringComparer.CurrentCultureIgnoreCase);
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static OdbcDamengDbFirst()
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{
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var defaultDbToCs = new Dictionary<string, DbToCs>() {
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{ "number(1)", new DbToCs("(bool?)", "{0} == \"1\"", "{0} == true ? \"1\" : \"0\"", "bool?", typeof(bool), typeof(bool?), "{0}.Value", "GetBoolean") },
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{ "number(4)", new DbToCs("(sbyte?)", "sbyte.Parse({0})", "{0}.ToString()", "sbyte?", typeof(sbyte), typeof(sbyte?), "{0}.Value", "GetInt16") },
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{ "number(6)", new DbToCs("(short?)", "short.Parse({0})", "{0}.ToString()", "short?", typeof(short), typeof(short?), "{0}.Value", "GetInt16") },
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{ "number(11)", new DbToCs("(int?)", "int.Parse({0})", "{0}.ToString()", "int?", typeof(int), typeof(int?), "{0}.Value", "GetInt32") },
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{ "number(21)", new DbToCs("(long?)", "long.Parse({0})", "{0}.ToString()", "long?", typeof(long), typeof(long?), "{0}.Value", "GetInt64") },
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{ "number(3)", new DbToCs("(byte?)", "byte.Parse({0})", "{0}.ToString()", "byte?", typeof(byte), typeof(byte?), "{0}.Value", "GetByte") },
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{ "number(5)", new DbToCs("(ushort?)", "ushort.Parse({0})", "{0}.ToString()", "ushort?", typeof(ushort), typeof(ushort?), "{0}.Value", "GetInt32") },
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{ "number(10)", new DbToCs("(uint?)", "uint.Parse({0})", "{0}.ToString()", "uint?", typeof(uint), typeof(uint?), "{0}.Value", "GetInt64") },
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{ "number(20)", new DbToCs("(ulong?)", "ulong.Parse({0})", "{0}.ToString()", "ulong?", typeof(ulong), typeof(ulong?), "{0}.Value", "GetDecimal") },
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{ "float(126)", new DbToCs("(double?)", "double.Parse({0})", "{0}.ToString()", "double?", typeof(double), typeof(double?), "{0}.Value", "GetDouble") },
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{ "float(63)", new DbToCs("(float?)", "float.Parse({0})", "{0}.ToString()", "float?", typeof(float), typeof(float?), "{0}.Value", "GetFloat") },
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{ "number(10,2)", new DbToCs("(decimal?)", "decimal.Parse({0})", "{0}.ToString()", "decimal?", typeof(decimal), typeof(decimal?), "{0}.Value", "GetDecimal") },
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{ "interval day(2) to second(6)", new DbToCs("(TimeSpan?)", "TimeSpan.Parse(double.Parse({0}))", "{0}.Ticks.ToString()", "TimeSpan?", typeof(TimeSpan), typeof(TimeSpan?), "{0}.Value", "GetValue") },
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{ "date", new DbToCs("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
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{ "timestamp(6)", new DbToCs("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
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{ "timestamp(6) with local time zone", new DbToCs("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
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{ "blob", new DbToCs("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
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{ "nvarchar2(255)", new DbToCs("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
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{ "char(36 char)", new DbToCs("(Guid?)", "Guid.Parse({0})", "{0}.ToString()", "Guid?", typeof(Guid), typeof(Guid?), "{0}.Value", "GetGuid") },
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};
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foreach (var kv in defaultDbToCs)
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_dicDbToCs.TryAdd(kv.Key, kv.Value);
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}
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public string GetCsConvert(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? (column.IsNullable ? trydc.csConvert : trydc.csConvert.Replace("?", "")) : null;
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public string GetCsParse(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csParse : null;
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public string GetCsStringify(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csStringify : null;
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public string GetCsType(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? (column.IsNullable ? trydc.csType : trydc.csType.Replace("?", "")) : null;
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public Type GetCsTypeInfo(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csTypeInfo : null;
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public string GetCsTypeValue(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.csTypeValue : null;
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public string GetDataReaderMethod(DbColumnInfo column) => _dicDbToCs.TryGetValue(column.DbTypeTextFull, out var trydc) ? trydc.dataReaderMethod : null;
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public List<string> GetDatabases()
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{
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var sql = @" select username from all_users";
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var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
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return ds.Select(a => a.FirstOrDefault()?.ToString()).ToList();
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}
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public bool ExistsTable(string name, bool ignoreCase)
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{
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if (string.IsNullOrEmpty(name)) return false;
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var tbname = _commonUtils.SplitTableName(name);
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if (tbname?.Length == 1)
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{
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var userId = (_orm.Ado.MasterPool as OdbcDamengConnectionPool)?.UserId;
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if (string.IsNullOrEmpty(userId))
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using (var conn = _orm.Ado.MasterPool.Get())
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{
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userId = OdbcDamengConnectionPool.GetUserId(conn.Value.ConnectionString);
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}
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tbname = new[] { userId, tbname[0] };
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}
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if (ignoreCase) tbname = tbname.Select(a => a.ToLower()).ToArray();
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var sql = $" select 1 from all_tab_comments where {(ignoreCase ? "lower(owner)" : "owner")}={_commonUtils.FormatSql("{0}", tbname[0])} and {(ignoreCase ? "lower(table_name)" : "table_name")}={_commonUtils.FormatSql("{0}", tbname[1])}";
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return string.Concat(_orm.Ado.ExecuteScalar(CommandType.Text, sql)) == "1";
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}
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public DbTableInfo GetTableByName(string name, bool ignoreCase = true) => GetTables(null, name, ignoreCase)?.FirstOrDefault();
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public List<DbTableInfo> GetTablesByDatabase(params string[] database) => GetTables(database, null, false);
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public List<DbTableInfo> GetTables(string[] database, string tablename, bool ignoreCase)
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{
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var loc1 = new List<DbTableInfo>();
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var loc2 = new Dictionary<string, DbTableInfo>();
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var loc3 = new Dictionary<string, Dictionary<string, DbColumnInfo>>();
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string[] tbname = null;
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if (string.IsNullOrEmpty(tablename) == false)
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{
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tbname = _commonUtils.SplitTableName(tablename);
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if (tbname?.Length == 1)
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{
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var userUsers = _orm.Ado.ExecuteScalar(" select username from user_users")?.ToString();
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if (string.IsNullOrEmpty(userUsers)) return loc1;
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tbname = new[] { userUsers, tbname[0] };
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}
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if (ignoreCase) tbname = tbname.Select(a => a.ToLower()).ToArray();
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database = new[] { tbname[0] };
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}
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else if (database == null || database.Any() == false)
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{
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var userUsers = _orm.Ado.ExecuteScalar(" select username from user_users")?.ToString();
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if (string.IsNullOrEmpty(userUsers)) return loc1;
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database = new[] { userUsers };
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}
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var databaseIn = string.Join(",", database.Select(a => _commonUtils.FormatSql("{0}", a)));
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var sql = $@"
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select
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a.owner || '.' || a.table_name,
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a.owner,
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a.table_name,
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b.comments,
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'TABLE'
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from all_tables a
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left join all_tab_comments b on b.owner = a.owner and b.table_name = a.table_name and b.table_type = 'TABLE'
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where {(ignoreCase ? "lower(a.owner)" : "a.owner")} in ({databaseIn}){(tbname == null ? "" : $" and {(ignoreCase ? "lower(a.table_name)" : "a.table_name")}={_commonUtils.FormatSql("{0}", tbname[1])}")}
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UNION ALL
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select
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a.owner || '.' || a.view_name,
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a.owner,
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a.view_name,
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b.comments,
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'VIEW' AS tp
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from all_views a
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left join all_tab_comments b on b.owner = a.owner and b.table_name = a.view_name and b.table_type = 'VIEW'
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where {(ignoreCase ? "lower(a.owner)" : "a.owner")} in ({databaseIn}){(tbname == null ? "" : $" and {(ignoreCase ? "lower(a.view_name)" : "a.view_name")}={_commonUtils.FormatSql("{0}", tbname[1])}")}";
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var ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
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if (ds == null) return loc1;
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var loc6 = new List<string[]>();
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var loc66 = new List<string[]>();
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var loc6_1000 = new List<string>();
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var loc66_1000 = new List<string>();
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foreach (var row in ds)
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{
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var table_id = string.Concat(row[0]);
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var schema = string.Concat(row[1]);
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var table = string.Concat(row[2]);
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var comment = string.Concat(row[3]);
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var type = string.Concat(row[4]) == "VIEW" ? DbTableType.VIEW : DbTableType.TABLE;
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if (database.Length == 1)
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{
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table_id = table_id.Substring(table_id.IndexOf('.') + 1);
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schema = "";
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}
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loc2.Add(table_id, new DbTableInfo { Id = table_id, Schema = schema, Name = table, Comment = comment, Type = type });
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loc3.Add(table_id, new Dictionary<string, DbColumnInfo>());
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switch (type)
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{
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case DbTableType.TABLE:
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case DbTableType.VIEW:
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loc6_1000.Add(table.Replace("'", "''"));
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if (loc6_1000.Count >= 999)
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{
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loc6.Add(loc6_1000.ToArray());
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loc6_1000.Clear();
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}
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break;
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case DbTableType.StoreProcedure:
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loc66_1000.Add(table.Replace("'", "''"));
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if (loc66_1000.Count >= 999)
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{
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loc66.Add(loc66_1000.ToArray());
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loc66_1000.Clear();
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}
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break;
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}
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}
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if (loc6_1000.Count > 0) loc6.Add(loc6_1000.ToArray());
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if (loc66_1000.Count > 0) loc66.Add(loc66_1000.ToArray());
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if (loc6.Count == 0) return loc1;
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var loc8 = new StringBuilder().Append("(");
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for (var loc8idx = 0; loc8idx < loc6.Count; loc8idx++)
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{
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if (loc8idx > 0) loc8.Append(" OR ");
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loc8.Append("a.table_name in (");
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for (var loc8idx2 = 0; loc8idx2 < loc6[loc8idx].Length; loc8idx2++)
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{
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if (loc8idx2 > 0) loc8.Append(",");
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loc8.Append($"'{loc6[loc8idx][loc8idx2]}'");
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}
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loc8.Append(")");
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}
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loc8.Append(")");
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sql = $@"
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select
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a.owner || '.' || a.table_name,
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a.column_name,
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a.data_type,
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a.data_length,
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a.data_precision,
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a.data_scale,
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a.char_used,
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case when a.nullable = 'N' then 0 else 1 end,
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nvl((select 1 from user_sequences where upper(sequence_name)=upper(a.table_name||'_seq_'||a.column_name) and rownum < 2), 0),
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b.comments,
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a.data_default
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from all_tab_cols a
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left join all_col_comments b on b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name
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where {(ignoreCase ? "lower(a.owner)" : "a.owner")} in ({databaseIn}) and {loc8}
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";
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ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
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if (ds == null) return loc1;
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var ds2 = new List<object[]>();
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foreach (var row in ds)
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{
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var ds2item = new object[9];
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ds2item[0] = row[0];
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ds2item[1] = row[1];
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ds2item[2] = Regex.Replace(string.Concat(row[2]), @"\(\d+\)", "");
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ds2item[4] = OdbcDamengCodeFirst.GetDamengSqlTypeFullName(new object[] { row[1], row[2], row[3], row[4], row[5], row[6] });
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ds2item[5] = string.Concat(row[7]);
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ds2item[6] = string.Concat(row[8]);
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ds2item[7] = string.Concat(row[9]);
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ds2item[8] = string.Concat(row[10]);
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ds2.Add(ds2item);
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|
}
|
|
var position = 0;
|
|
foreach (var row in ds2)
|
|
{
|
|
string table_id = string.Concat(row[0]);
|
|
string column = string.Concat(row[1]);
|
|
string type = string.Concat(row[2]);
|
|
//long max_length = long.Parse(string.Concat(row[3]));
|
|
string sqlType = string.Concat(row[4]);
|
|
var m_len = Regex.Match(sqlType, @"\w+\((\d+)");
|
|
int max_length = m_len.Success ? int.Parse(m_len.Groups[1].Value) : -1;
|
|
bool is_nullable = string.Concat(row[5]) == "1";
|
|
bool is_identity = string.Concat(row[6]) == "1";
|
|
string comment = string.Concat(row[7]);
|
|
string defaultValue = string.Concat(row[8]);
|
|
if (max_length == 0) max_length = -1;
|
|
if (database.Length == 1)
|
|
{
|
|
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
|
|
}
|
|
loc3[table_id].Add(column, new DbColumnInfo
|
|
{
|
|
Name = column,
|
|
MaxLength = max_length,
|
|
IsIdentity = is_identity,
|
|
IsNullable = is_nullable,
|
|
IsPrimary = false,
|
|
DbTypeText = type,
|
|
DbTypeTextFull = sqlType,
|
|
Table = loc2[table_id],
|
|
Comment = comment,
|
|
DefaultValue = defaultValue,
|
|
Position = ++position
|
|
});
|
|
loc3[table_id][column].DbType = this.GetDbType(loc3[table_id][column]);
|
|
loc3[table_id][column].CsType = this.GetCsTypeInfo(loc3[table_id][column]);
|
|
}
|
|
|
|
sql = $@"
|
|
select
|
|
a.table_owner || '.' || a.table_name,
|
|
c.column_name,
|
|
c.index_name,
|
|
case when a.uniqueness = 'UNIQUE' then 1 else 0 end,
|
|
case when exists(select 1 from all_constraints where index_name = a.index_name and constraint_type = 'P') then 1 else 0 end,
|
|
0,
|
|
case when c.descend = 'DESC' then 1 else 0 end,
|
|
c.column_position
|
|
from all_indexes a,
|
|
all_ind_columns c
|
|
where a.index_name = c.index_name
|
|
and a.table_owner = c.table_owner
|
|
and a.table_name = c.table_name
|
|
and {(ignoreCase ? "lower(a.table_owner)" : "a.table_owner")} in ({databaseIn}) and {loc8}
|
|
";
|
|
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
|
|
if (ds == null) return loc1;
|
|
|
|
var indexColumns = new Dictionary<string, Dictionary<string, DbIndexInfo>>();
|
|
var uniqueColumns = new Dictionary<string, Dictionary<string, DbIndexInfo>>();
|
|
foreach (var row in ds)
|
|
{
|
|
string table_id = string.Concat(row[0]);
|
|
string column = string.Concat(row[1]).Trim('"');
|
|
string index_id = string.Concat(row[2]);
|
|
bool is_unique = string.Concat(row[3]) == "1";
|
|
bool is_primary_key = string.Concat(row[4]) == "1";
|
|
bool is_clustered = string.Concat(row[5]) == "1";
|
|
bool is_desc = string.Concat(row[6]) == "1";
|
|
if (database.Length == 1)
|
|
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
|
|
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
|
|
var loc9 = loc3[table_id][column];
|
|
if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
|
|
if (is_primary_key) continue;
|
|
|
|
Dictionary<string, DbIndexInfo> loc10 = null;
|
|
DbIndexInfo loc11 = null;
|
|
if (!indexColumns.TryGetValue(table_id, out loc10))
|
|
indexColumns.Add(table_id, loc10 = new Dictionary<string, DbIndexInfo>());
|
|
if (!loc10.TryGetValue(index_id, out loc11))
|
|
loc10.Add(index_id, loc11 = new DbIndexInfo());
|
|
loc11.Columns.Add(new DbIndexColumnInfo { Column = loc9, IsDesc = is_desc });
|
|
if (is_unique && !is_primary_key)
|
|
{
|
|
if (!uniqueColumns.TryGetValue(table_id, out loc10))
|
|
uniqueColumns.Add(table_id, loc10 = new Dictionary<string, DbIndexInfo>());
|
|
if (!loc10.TryGetValue(index_id, out loc11))
|
|
loc10.Add(index_id, loc11 = new DbIndexInfo());
|
|
loc11.Columns.Add(new DbIndexColumnInfo { Column = loc9, IsDesc = is_desc });
|
|
}
|
|
}
|
|
foreach (string table_id in indexColumns.Keys)
|
|
{
|
|
foreach (var column in indexColumns[table_id])
|
|
loc2[table_id].IndexesDict.Add(column.Key, column.Value);
|
|
}
|
|
foreach (string table_id in uniqueColumns.Keys)
|
|
{
|
|
foreach (var column in uniqueColumns[table_id])
|
|
{
|
|
column.Value.Columns.Sort((c1, c2) => c1.Column.Name.CompareTo(c2.Column.Name));
|
|
loc2[table_id].UniquesDict.Add(column.Key, column.Value);
|
|
}
|
|
}
|
|
|
|
if (tbname == null)
|
|
{
|
|
sql = $@"
|
|
select
|
|
a.owner || '.' || a.table_name,
|
|
c.column_name,
|
|
c.constraint_name,
|
|
b.owner || '.' || b.table_name,
|
|
1,
|
|
d.column_name
|
|
|
|
-- a.owner 外键拥有者,
|
|
-- a.table_name 外键表,
|
|
-- c.column_name 外键列,
|
|
-- b.owner 主键拥有者,
|
|
-- b.table_name 主键表,
|
|
-- d.column_name 主键列,
|
|
-- c.constraint_name 外键名,
|
|
-- d.constraint_name 主键名
|
|
|
|
from
|
|
all_constraints a,
|
|
all_constraints b,
|
|
all_cons_columns c, --外键表
|
|
all_cons_columns d --主键表
|
|
where
|
|
a.r_constraint_name = b.constraint_name
|
|
and a.constraint_type = 'R'
|
|
and b.constraint_type = 'P'
|
|
and a.r_owner = b.owner
|
|
and a.constraint_name = c.constraint_name
|
|
and b.constraint_name = d.constraint_name
|
|
and a.owner = c.owner
|
|
and a.table_name = c.table_name
|
|
and b.owner = d.owner
|
|
and b.table_name = d.table_name
|
|
and {(ignoreCase ? "lower(a.owner)" : "a.owner")} in ({databaseIn}) and {loc8}
|
|
";
|
|
ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
|
|
if (ds == null) return loc1;
|
|
|
|
var fkColumns = new Dictionary<string, Dictionary<string, DbForeignInfo>>();
|
|
foreach (var row in ds)
|
|
{
|
|
string table_id = string.Concat(row[0]);
|
|
string column = string.Concat(row[1]);
|
|
string fk_id = string.Concat(row[2]);
|
|
string ref_table_id = string.Concat(row[3]);
|
|
bool is_foreign_key = string.Concat(row[4]) == "1";
|
|
string referenced_column = string.Concat(row[5]);
|
|
if (database.Length == 1)
|
|
{
|
|
table_id = table_id.Substring(table_id.IndexOf('.') + 1);
|
|
ref_table_id = ref_table_id.Substring(ref_table_id.IndexOf('.') + 1);
|
|
}
|
|
if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
|
|
var loc9 = loc3[table_id][column];
|
|
if (loc2.ContainsKey(ref_table_id) == false) continue;
|
|
var loc10 = loc2[ref_table_id];
|
|
var loc11 = loc3[ref_table_id][referenced_column];
|
|
|
|
Dictionary<string, DbForeignInfo> loc12 = null;
|
|
DbForeignInfo loc13 = null;
|
|
if (!fkColumns.TryGetValue(table_id, out loc12))
|
|
fkColumns.Add(table_id, loc12 = new Dictionary<string, DbForeignInfo>());
|
|
if (!loc12.TryGetValue(fk_id, out loc13))
|
|
loc12.Add(fk_id, loc13 = new DbForeignInfo { Table = loc2[table_id], ReferencedTable = loc10 });
|
|
loc13.Columns.Add(loc9);
|
|
loc13.ReferencedColumns.Add(loc11);
|
|
}
|
|
foreach (var table_id in fkColumns.Keys)
|
|
foreach (var fk in fkColumns[table_id])
|
|
loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
|
|
}
|
|
|
|
foreach (var table_id in loc3.Keys)
|
|
{
|
|
foreach (var loc5 in loc3[table_id].Values)
|
|
{
|
|
loc2[table_id].Columns.Add(loc5);
|
|
if (loc5.IsIdentity) loc2[table_id].Identitys.Add(loc5);
|
|
if (loc5.IsPrimary) loc2[table_id].Primarys.Add(loc5);
|
|
}
|
|
}
|
|
foreach (var loc4 in loc2.Values)
|
|
{
|
|
//if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0)
|
|
//{
|
|
// foreach (var loc5 in loc4.UniquesDict.First().Value.Columns)
|
|
// {
|
|
// loc5.Column.IsPrimary = true;
|
|
// loc4.Primarys.Add(loc5.Column);
|
|
// }
|
|
//}
|
|
loc4.Primarys.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
|
|
loc4.Columns.Sort((c1, c2) =>
|
|
{
|
|
int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
|
|
if (compare == 0)
|
|
{
|
|
bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
|
|
bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
|
|
compare = b2.CompareTo(b1);
|
|
}
|
|
if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
|
|
return compare;
|
|
});
|
|
loc1.Add(loc4);
|
|
}
|
|
loc1.Sort((t1, t2) =>
|
|
{
|
|
var ret = t1.Schema.CompareTo(t2.Schema);
|
|
if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
|
|
return ret;
|
|
});
|
|
|
|
loc2.Clear();
|
|
loc3.Clear();
|
|
return loc1;
|
|
}
|
|
|
|
public List<DbEnumInfo> GetEnumsByDatabase(params string[] database)
|
|
{
|
|
return new List<DbEnumInfo>();
|
|
}
|
|
}
|
|
} |