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451b6c9769
- 修复 LinqToSql 方法，开启自动迁移时，迁移了无关类的 bug； - 修复 Oracle DbFirst date(7) 类型未处理的 bug；#57 - 修复 AsSelect().Any() 未给其他条件时，产生 null bug； - 增加 FreeSql.Extensions.LazyLoading 对 .net 4.5 的支持； - 优化 MySql CodeFirst 增加 DateTime 迁移后，默认值为 0000-00-00 导致读取失败的 bug； - 优化 LazyLoading 友好错误提示；
431 lines
18 KiB
C#
431 lines
18 KiB
C#
using FreeSql.DatabaseModel;
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using FreeSql.Internal;
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using Oracle.ManagedDataAccess.Client;
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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.Linq;
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using System.Text.RegularExpressions;
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namespace FreeSql.Oracle {
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class OracleDbFirst : IDbFirst {
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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 OracleDbFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression) {
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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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OracleDbType GetSqlDbType(DbColumnInfo column) {
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var dbfull = column.DbTypeTextFull.ToLower();
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switch (dbfull) {
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case "number(1)": return OracleDbType.Boolean;
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case "number(4)": return OracleDbType.Decimal;
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case "number(6)": return OracleDbType.Int16;
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case "number(11)": return OracleDbType.Int32;
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case "number(21)": return OracleDbType.Int64;
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case "number(3)": return OracleDbType.Byte;
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case "number(5)": return OracleDbType.Decimal;
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case "number(10)": return OracleDbType.Decimal;
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case "number(20)": return OracleDbType.Decimal;
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case "float(126)": return OracleDbType.Double;
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case "float(63)": return OracleDbType.Single;
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case "number(10,2)": return OracleDbType.Decimal;
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case "interval day(2) to second(6)": return OracleDbType.IntervalDS;
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case "timestamp(6)": return OracleDbType.TimeStamp;
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case "timestamp(6) with local time zone": return OracleDbType.TimeStampLTZ;
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case "blob": return OracleDbType.Blob;
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case "nvarchar2(255)": return OracleDbType.NVarchar2;
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case "char(36 char)": return OracleDbType.Char;
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}
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switch (column.DbTypeText.ToLower()) {
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case "number":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(10,2)"]);
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return OracleDbType.Decimal;
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case "float":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(126)"]);
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return OracleDbType.Double;
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case "interval day to second":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["interval day(2) to second(6)"]);
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return OracleDbType.IntervalDS;
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case "date":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["date(7)"]);
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return OracleDbType.IntervalDS;
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case "timestamp":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6)"]);
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return OracleDbType.TimeStamp;
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case "timestamp with local time zone":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6) with local time zone"]);
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return OracleDbType.TimeStampLTZ;
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case "blob":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
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return OracleDbType.Blob;
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case "nvarchar2":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OracleDbType.NVarchar2;
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case "varchar2":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OracleDbType.Varchar2;
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case "char":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["char(36 char)"]);
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return OracleDbType.Char;
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case "clob":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OracleDbType.Clob;
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case "nclob":
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_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
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return OracleDbType.NClob;
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}
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throw new NotImplementedException($"未实现 {column.DbTypeTextFull} 类型映射");
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}
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static ConcurrentDictionary<string, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)> _dicDbToCs = new ConcurrentDictionary<string, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)>();
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static OracleDbFirst() {
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var defaultDbToCs = new Dictionary<string, (string csConvert, string csParse, string csStringify, string csType, Type csTypeInfo, Type csNullableTypeInfo, string csTypeValue, string dataReaderMethod)>() {
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{ "number(1)", ("(bool?)", "{0} == \"1\"", "{0} == true ? \"1\" : \"0\"", "bool?", typeof(bool), typeof(bool?), "{0}.Value", "GetBoolean") },
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{ "number(4)", ("(sbyte?)", "sbyte.Parse({0})", "{0}.ToString()", "sbyte?", typeof(sbyte), typeof(sbyte?), "{0}.Value", "GetInt16") },
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{ "number(6)", ("(short?)", "short.Parse({0})", "{0}.ToString()", "short?", typeof(short), typeof(short?), "{0}.Value", "GetInt16") },
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{ "number(11)", ("(int?)", "int.Parse({0})", "{0}.ToString()", "int?", typeof(int), typeof(int?), "{0}.Value", "GetInt32") },
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{ "number(21)", ("(long?)", "long.Parse({0})", "{0}.ToString()", "long?", typeof(long), typeof(long?), "{0}.Value", "GetInt64") },
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{ "number(3)", ("(byte?)", "byte.Parse({0})", "{0}.ToString()", "byte?", typeof(byte), typeof(byte?), "{0}.Value", "GetByte") },
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{ "number(5)", ("(ushort?)", "ushort.Parse({0})", "{0}.ToString()", "ushort?", typeof(ushort), typeof(ushort?), "{0}.Value", "GetInt32") },
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{ "number(10)", ("(uint?)", "uint.Parse({0})", "{0}.ToString()", "uint?", typeof(uint), typeof(uint?), "{0}.Value", "GetInt64") },
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{ "number(20)", ("(ulong?)", "ulong.Parse({0})", "{0}.ToString()", "ulong?", typeof(ulong), typeof(ulong?), "{0}.Value", "GetDecimal") },
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{ "float(126)", ("(double?)", "double.Parse({0})", "{0}.ToString()", "double?", typeof(double), typeof(double?), "{0}.Value", "GetDouble") },
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{ "float(63)", ("(float?)", "float.Parse({0})", "{0}.ToString()", "float?", typeof(float), typeof(float?), "{0}.Value", "GetFloat") },
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{ "number(10,2)", ("(decimal?)", "decimal.Parse({0})", "{0}.ToString()", "decimal?", typeof(decimal), typeof(decimal?), "{0}.Value", "GetDecimal") },
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{ "interval day(2) to second(6)", ("(TimeSpan?)", "TimeSpan.Parse(double.Parse({0}))", "{0}.Ticks.ToString()", "TimeSpan?", typeof(TimeSpan), typeof(TimeSpan?), "{0}.Value", "GetValue") },
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{ "date(7)", ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
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{ "timestamp(6)", ("(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", ("(DateTime?)", "new DateTime(long.Parse({0}))", "{0}.Ticks.ToString()", "DateTime?", typeof(DateTime), typeof(DateTime?), "{0}.Value", "GetValue") },
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{ "blob", ("(byte[])", "Convert.FromBase64String({0})", "Convert.ToBase64String({0})", "byte[]", typeof(byte[]), typeof(byte[]), "{0}", "GetValue") },
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{ "nvarchar2(255)", ("", "{0}.Replace(StringifySplit, \"|\")", "{0}.Replace(\"|\", StringifySplit)", "string", typeof(string), typeof(string), "{0}", "GetString") },
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{ "char(36 char)", ("(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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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 List<DbTableInfo> GetTablesByDatabase(params string[] database2) {
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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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var database = database2?.ToArray();
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if (database == null || database.Any() == false) {
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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 = string.Format(@"
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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 a.owner in ({0})", databaseIn);
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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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foreach (var row in ds) {
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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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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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case DbTableType.TABLE:
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case DbTableType.VIEW:
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loc6.Add(table.Replace("'", "''"));
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break;
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case DbTableType.StoreProcedure:
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loc66.Add(table.Replace("'", "''"));
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break;
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}
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}
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if (loc6.Count == 0) return loc1;
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var loc8 = "'" + string.Join("','", loc6.ToArray()) + "'";
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var loc88 = "'" + string.Join("','", loc66.ToArray()) + "'";
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sql = string.Format(@"
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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 nullable = 'Y' then 1 else 0 end,
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nvl((select 1 from user_sequences where upper(sequence_name)=upper(a.table_name||'_seq_'||a.column_name)), 0),
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b.comments
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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 a.owner in ({1}) and a.table_name in ({0})
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", loc8, databaseIn);
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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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var ds2item = new object[8];
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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] = OracleCodeFirst.GetOracleSqlTypeFullName(new object[] { row[1], row[2], row[3], row[4], row[5], row[6] });
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ds2item[5] = string.Concat(row[7]) == "1";
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ds2item[6] = string.Concat(row[8]) == "1";
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ds2item[7] = string.Concat(row[9]);
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ds2.Add(ds2item);
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}
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foreach (var row in ds2) {
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string table_id = string.Concat(row[0]);
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string column = string.Concat(row[1]);
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string type = string.Concat(row[2]);
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//long max_length = long.Parse(string.Concat(row[3]));
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string sqlType = string.Concat(row[4]);
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var m_len = Regex.Match(sqlType, @"\w+\((\d+)");
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int max_length = m_len.Success ? int.Parse(m_len.Groups[1].Value) : -1;
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bool is_nullable = string.Concat(row[5]) == "1";
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bool is_identity = string.Concat(row[6]) == "1";
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string comment = string.Concat(row[7]);
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if (max_length == 0) max_length = -1;
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if (database.Length == 1) {
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table_id = table_id.Substring(table_id.IndexOf('.') + 1);
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}
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loc3[table_id].Add(column, new DbColumnInfo {
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Name = column,
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MaxLength = max_length,
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IsIdentity = is_identity,
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IsNullable = is_nullable,
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IsPrimary = false,
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DbTypeText = type,
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DbTypeTextFull = sqlType,
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Table = loc2[table_id],
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Coment = comment
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});
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loc3[table_id][column].DbType = this.GetDbType(loc3[table_id][column]);
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loc3[table_id][column].CsType = this.GetCsTypeInfo(loc3[table_id][column]);
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}
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sql = string.Format(@"
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select
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a.owner || '.' || a.table_name,
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c.column_name,
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c.constraint_name,
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case when a.constraint_type = 'U' then 1 else 0 end,
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case when a.constraint_type = 'P' then 1 else 0 end,
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0,
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0
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from
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all_constraints a,
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all_cons_columns c
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where
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a.constraint_name = c.constraint_name
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and a.owner = c.owner
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and a.table_name = c.table_name
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and a.constraint_type in ('P', 'U')
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and a.owner in ({1}) and a.table_name in ({0})
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", loc8, databaseIn);
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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 indexColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
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var uniqueColumns = new Dictionary<string, Dictionary<string, List<DbColumnInfo>>>();
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foreach (var row in ds) {
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string table_id = string.Concat(row[0]);
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string column = string.Concat(row[1]);
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string index_id = string.Concat(row[2]);
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bool is_unique = string.Concat(row[3]) == "1";
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bool is_primary_key = string.Concat(row[4]) == "1";
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bool is_clustered = string.Concat(row[5]) == "1";
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int is_desc = int.Parse(string.Concat(row[6]));
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if (database.Length == 1) {
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table_id = table_id.Substring(table_id.IndexOf('.') + 1);
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}
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if (loc3.ContainsKey(table_id) == false || loc3[table_id].ContainsKey(column) == false) continue;
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var loc9 = loc3[table_id][column];
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if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
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Dictionary<string, List<DbColumnInfo>> loc10 = null;
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List<DbColumnInfo> loc11 = null;
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if (!indexColumns.TryGetValue(table_id, out loc10))
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indexColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
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if (!loc10.TryGetValue(index_id, out loc11))
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loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
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loc11.Add(loc9);
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if (is_unique && !is_primary_key) {
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if (!uniqueColumns.TryGetValue(table_id, out loc10))
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uniqueColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
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if (!loc10.TryGetValue(index_id, out loc11))
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loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
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loc11.Add(loc9);
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}
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}
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foreach (string table_id in indexColumns.Keys) {
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foreach (var column in indexColumns[table_id])
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loc2[table_id].IndexesDict.Add(column.Key, column.Value);
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}
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foreach (string table_id in uniqueColumns.Keys) {
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foreach (var column in uniqueColumns[table_id]) {
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column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
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loc2[table_id].UniquesDict.Add(column.Key, column.Value);
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}
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}
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sql = string.Format(@"
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select
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a.owner || '.' || a.table_name,
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c.column_name,
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c.constraint_name,
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b.owner || '.' || b.table_name,
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1,
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d.column_name
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-- a.owner 外键拥有者,
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-- a.table_name 外键表,
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-- c.column_name 外键列,
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-- b.owner 主键拥有者,
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-- b.table_name 主键表,
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-- d.column_name 主键列,
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-- c.constraint_name 外键名,
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-- d.constraint_name 主键名
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from
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all_constraints a,
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all_constraints b,
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all_cons_columns c, --外键表
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all_cons_columns d --主键表
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where
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a.r_constraint_name = b.constraint_name
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and a.constraint_type = 'R'
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and b.constraint_type = 'P'
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and a.r_owner = b.owner
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and a.constraint_name = c.constraint_name
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and b.constraint_name = d.constraint_name
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and a.owner = c.owner
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and a.table_name = c.table_name
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and b.owner = d.owner
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and b.table_name = d.table_name
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and a.owner in ({1}) and a.table_name in ({0})
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", loc8, databaseIn);
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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 fkColumns = new Dictionary<string, Dictionary<string, DbForeignInfo>>();
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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) {
|
||
loc5.IsPrimary = true;
|
||
loc4.Primarys.Add(loc5);
|
||
}
|
||
}
|
||
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>();
|
||
}
|
||
}
|
||
} |