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- 增加 IndexAttribute 特性，自动迁移索引，以及对应的 FluentApi 方法；

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- 移除 ColumnAttribute.Unique 属性设置，改为 IndexAttribute 特性设置唯一键；
This commit is contained in:
28810
2019-10-03 04:31:04 +08:00
parent cb18b74830
commit 78fded3f8e
43 changed files with 1010 additions and 607 deletions
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109
Providers/FreeSql.Provider.Oracle/OracleCodeFirst.cs
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@ -109,7 +109,8 @@ namespace FreeSql.Oracle
if (tboldname == null)
{
//创建表
sb.Append("execute immediate 'CREATE TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ( ");
var createTableName = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
sb.Append("execute immediate 'CREATE TABLE ").Append(createTableName).Append(" ( ");
foreach (var tbcol in tb.ColumnsByPosition)
{
sb.Append(" \r\n ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
@ -122,14 +123,22 @@ namespace FreeSql.Oracle
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE (");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) \r\nLOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
//创建表的索引
foreach (var uk in tb.Indexes)
{
sb.Append("execute immediate 'CREATE ");
if (uk.IsUnique) sb.Append("UNIQUE ");
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(uk.Name)).Append(" ON ").Append(createTableName).Append("(");
foreach (var tbcol in uk.Columns)
{
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
if (tbcol.IsDesc) sb.Append(" DESC");
sb.Append(", ");
}
sb.Remove(sb.Length - 2, 2).Append(")';\r\n");
}
//备注
foreach (var tbcol in tb.ColumnsByPosition)
{
@ -223,29 +232,38 @@ where a.owner={{0}} and a.table_name={{1}}", tboldname ?? tbname);
if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
if (string.IsNullOrEmpty(tbcol.Comment) == false) sbalter.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? "").Replace("'", "''")).Append("';\r\n");
}
CreateOracleFunction(_orm);
var dsuksql = _commonUtils.FormatSql(@"
select
c.column_name,
c.constraint_name
from
all_constraints a,
all_cons_columns c
where
a.constraint_name = c.constraint_name
and a.owner = c.owner
nvl(freesql_long_2_varchar(a.index_name, c.table_name, c.column_position), c.column_name),
a.index_name,
case when c.descend = 'DESC' then 1 else 0 end,
case when a.uniqueness = 'UNIQUE' then 1 else 0 end
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 a.constraint_type in ('U')
and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
foreach (var uk in tb.Uniques)
and a.owner in ({0}) and a.table_name in ({1})
and not exists(select 1 from all_constraints where constraint_name = a.index_name and constraint_type = 'P')", tboldname ?? tbname);
var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]).Trim('"'), string.Concat(a[1]), string.Concat(a[2]), string.Concat(a[3]) }).ToArray();
foreach (var uk in tb.Indexes)
{
if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count)
if (string.IsNullOrEmpty(uk.Name) || uk.Columns.Any() == false) continue;
var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Name, true) == 0).ToArray();
if (dsukfind1.Any() == false || dsukfind1.Length != uk.Columns.Length || dsukfind1.Where(a => uk.Columns.Where(b => (a[3] == "1") == uk.IsUnique && string.Compare(b.Column.Attribute.Name, a[0], true) == 0 && (a[2] == "1") == b.IsDesc).Any()).Count() != uk.Columns.Length)
{
if (dsukfind1.Any()) sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("';\r\n");
sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
if (dsukfind1.Any()) sbalter.Append("execute immediate 'DROP INDEX ").Append(_commonUtils.QuoteSqlName(uk.Name)).Append("';\r\n");
sbalter.Append("execute immediate 'CREATE ");
if (uk.IsUnique) sbalter.Append("UNIQUE ");
sbalter.Append("INDEX ").Append(_commonUtils.QuoteSqlName(uk.Name)).Append(" ON ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append("(");
foreach (var tbcol in uk.Columns)
{
sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
if (tbcol.IsDesc) sbalter.Append(" DESC");
sbalter.Append(", ");
}
sbalter.Remove(sbalter.Length - 2, 2).Append(")';\r\n");
}
}
@ -276,12 +294,6 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
foreach (var uk in tb.Uniques)
{
sb.Append(" \r\n CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE (");
foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
sb.Remove(sb.Length - 2, 2).Append("),");
}
sb.Remove(sb.Length - 1, 1);
sb.Append("\r\n) LOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
//备注
@ -316,6 +328,20 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
sb.Remove(sb.Length - 2, 2).Append(" FROM ").Append(tablename).Append("';\r\n");
sb.Append("execute immediate 'DROP TABLE ").Append(tablename).Append("';\r\n");
sb.Append("execute immediate 'ALTER TABLE ").Append(tmptablename).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[1]}")).Append("';\r\n");
//创建表的索引
foreach (var uk in tb.Indexes)
{
sb.Append("execute immediate 'CREATE ");
if (uk.IsUnique) sb.Append("UNIQUE ");
sb.Append("INDEX ").Append(_commonUtils.QuoteSqlName(uk.Name)).Append(" ON ").Append(tablename).Append("(");
foreach (var tbcol in uk.Columns)
{
sb.Append(_commonUtils.QuoteSqlName(tbcol.Column.Attribute.Name));
if (tbcol.IsDesc) sb.Append(" DESC");
sb.Append(", ");
}
sb.Remove(sb.Length - 2, 2).Append(")';\r\n");
}
}
Dictionary<string, bool> dicDeclare = new Dictionary<string, bool>();
Action<string> dropSequence = seqname =>
@ -408,5 +434,26 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
sqlType += $"({data_length})";
return sqlType;
}
internal static void CreateOracleFunction(IFreeSql fsql)
{
fsql.Ado.ExecuteNonQuery(CommandType.Text, @"
CREATE OR REPLACE FUNCTION freesql_long_2_varchar (
p_index_name IN user_ind_expressions.index_name%TYPE,
p_table_name IN user_ind_expressions.table_name%TYPE,
p_COLUMN_POSITION IN user_ind_expressions.table_name%TYPE)
RETURN VARCHAR2
AS
l_COLUMN_EXPRESSION LONG;
BEGIN
SELECT COLUMN_EXPRESSION
INTO l_COLUMN_EXPRESSION
FROM user_ind_expressions
WHERE index_name = p_index_name
AND table_name = p_table_name
AND COLUMN_POSITION = p_COLUMN_POSITION;
RETURN SUBSTR (l_COLUMN_EXPRESSION, 1, 4000);
END;");
}
}
}