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- 修改 Oracle CodeFirst 使用 OldName 迁移自增字段时，未删除旧的触发器和序列的 bug；
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@ -79,6 +79,11 @@
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测试中文重命名id
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</summary>
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</member>
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<member name="P:FreeSql.Tests.UnitTest1.Class1.name">
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<summary>
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姓名
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</summary>
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</member>
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<member name="T:FreeSql.Tests.ExamPaper">
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<summary>
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试卷表
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@ -10,6 +10,7 @@ using Npgsql.LegacyPostgis;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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using System.Collections;
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using System.Diagnostics;
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namespace FreeSql.Tests
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{
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@ -319,9 +320,31 @@ namespace FreeSql.Tests
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}
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}
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}
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public class Class1
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{
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[Column(IsIdentity = true)]
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public long ID { set; get; }
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[Column(IsIdentity = true, OldName = "stu_id_log")]
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public long stu_id { set; get; }
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/// <summary>
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/// 姓名
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/// </summary>
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public string name { set; get; }
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public int age { set; get; }
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public DateTime class2 { set; get; }
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}
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[Fact]
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public void Test1()
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{
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g.oracle.Aop.SyncStructureAfter += (s, e) =>
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Trace.WriteLine(e.Sql);
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g.oracle.CodeFirst.SyncStructure<Class1>();
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//g.sqlite.Aop.ParseExpression += parseExp;
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@ -74,7 +74,8 @@ namespace FreeSql.Oracle
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public override string GetComparisonDDLStatements(params Type[] entityTypes)
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{
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var userId = (_orm.Ado.MasterPool as OracleConnectionPool).UserId;
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var seqcols = new List<(ColumnInfo, string[], bool)>(); //序列
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var seqcols = new List<(ColumnInfo, string[], bool)>(); //序列：列，表，自增
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var seqnameDel = new List<string>(); //要删除的序列+触发器
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var sb = new StringBuilder();
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var sbDeclare = new StringBuilder();
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@ -194,11 +195,17 @@ where a.owner={{0}} and a.table_name={{1}}", tboldname ?? tbname);
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sbalter.Append("execute immediate 'UPDATE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" SET ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" = ").Append(_commonUtils.FormatSql("{0}", tbcol.Attribute.DbDefautValue).Replace("'", "''")).Append(" WHERE ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" IS NULL';\r\n");
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sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" MODIFY ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" ").Append(tbcol.Attribute.IsNullable == true ? "" : "NOT").Append(" NULL';\r\n");
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}
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if (tbcol.Attribute.IsIdentity != tbstructcol.is_identity)
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seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
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if (string.Compare(tbstructcol.column, tbcol.Attribute.OldName, true) == 0)
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{
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if (tbstructcol.is_identity)
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seqnameDel.Add(Utils.GetCsName($"{tbname[1]}_seq_{tbstructcol.column}"));
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//修改列名
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sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" RENAME COLUMN ").Append(_commonUtils.QuoteSqlName(tbstructcol.column)).Append(" TO ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append("';\r\n");
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if (tbcol.Attribute.IsIdentity)
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seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
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}
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else if (tbcol.Attribute.IsIdentity != tbstructcol.is_identity)
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seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
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if (isCommentChanged)
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sbalter.Append("execute immediate 'COMMENT ON COLUMN ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbcol.Attribute.Name}")).Append(" IS ").Append(_commonUtils.FormatSql("{0}", tbcol.Comment ?? "").Replace("'", "''")).Append("';\r\n");
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continue;
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@ -307,13 +314,8 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
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sb.Append("execute immediate 'ALTER TABLE ").Append(tmptablename).Append(" RENAME TO ").Append(_commonUtils.QuoteSqlName($"{tbname[1]}")).Append("';\r\n");
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}
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Dictionary<string, bool> dicDeclare = new Dictionary<string, bool>();
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foreach (var seqcol in seqcols)
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Action<string> dropSequence = seqname =>
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{
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var tbname = seqcol.Item2;
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var seqname = Utils.GetCsName($"{tbname[1]}_seq_{seqcol.Item1.Attribute.Name}");
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var tiggerName = seqname + "TI";
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var tbname2 = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
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var colname2 = _commonUtils.QuoteSqlName(seqcol.Item1.Attribute.Name);
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if (dicDeclare.ContainsKey(seqname) == false)
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{
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sbDeclare.Append("\r\n").Append(seqname).Append("IS NUMBER; \r\n");
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@ -324,17 +326,8 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
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.Append("if ").Append(seqname).Append("IS > 0 then \r\n")
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.Append(" execute immediate 'DROP SEQUENCE ").Append(_commonUtils.QuoteSqlName(seqname)).Append("';\r\n")
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.Append("end if; \r\n");
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if (seqcol.Item3)
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{
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var startWith = _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from all_tab_comments where owner={0} and table_name={1}", tbname)) == null ? 1 :
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_orm.Ado.ExecuteScalar(CommandType.Text, $" select nvl(max({colname2})+1,1) from {tbname2}");
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sb.Append("execute immediate 'CREATE SEQUENCE ").Append(_commonUtils.QuoteSqlName(seqname)).Append(" start with ").Append(startWith).Append("';\r\n");
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sb.Append("execute immediate 'CREATE OR REPLACE TRIGGER ").Append(_commonUtils.QuoteSqlName(tiggerName))
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.Append(" \r\nbefore insert on ").Append(tbname2)
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.Append(" \r\nfor each row \r\nbegin\r\nselect ").Append(_commonUtils.QuoteSqlName(seqname))
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.Append(".nextval into :new.").Append(colname2).Append(" from dual;\r\nend;';\r\n");
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}
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else
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};
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Action<string> dropTrigger = tiggerName =>
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{
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if (dicDeclare.ContainsKey(tiggerName) == false)
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{
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@ -346,7 +339,32 @@ and a.owner in ({0}) and a.table_name in ({1})", tboldname ?? tbname);
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.Append("if ").Append(tiggerName).Append("IS > 0 then \r\n")
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.Append(" execute immediate 'DROP TRIGGER ").Append(_commonUtils.QuoteSqlName(tiggerName)).Append("';\r\n")
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.Append("end if; \r\n");
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};
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foreach (var seqname in seqnameDel)
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{
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dropSequence(seqname);
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dropTrigger(seqname + "TI");
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}
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foreach (var seqcol in seqcols)
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{
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var tbname = seqcol.Item2;
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var seqname = Utils.GetCsName($"{tbname[1]}_seq_{seqcol.Item1.Attribute.Name}");
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var tiggerName = seqname + "TI";
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var tbname2 = _commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}");
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var colname2 = _commonUtils.QuoteSqlName(seqcol.Item1.Attribute.Name);
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dropSequence(seqname);
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if (seqcol.Item3)
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{
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var startWith = _orm.Ado.ExecuteScalar(CommandType.Text, _commonUtils.FormatSql(" select 1 from all_tab_columns where owner={0} and table_name={1} and column_name={2}", tbname[0], tbname[1], colname2)) == null ? 1 :
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_orm.Ado.ExecuteScalar(CommandType.Text, $" select nvl(max({colname2})+1,1) from {tbname2}");
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sb.Append("execute immediate 'CREATE SEQUENCE ").Append(_commonUtils.QuoteSqlName(seqname)).Append(" start with ").Append(startWith).Append("';\r\n");
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sb.Append("execute immediate 'CREATE OR REPLACE TRIGGER ").Append(_commonUtils.QuoteSqlName(tiggerName))
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.Append(" \r\nbefore insert on ").Append(tbname2)
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.Append(" \r\nfor each row \r\nbegin\r\nselect ").Append(_commonUtils.QuoteSqlName(seqname))
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.Append(".nextval into :new.").Append(colname2).Append(" from dual;\r\nend;';\r\n");
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}
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else
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dropTrigger(tiggerName);
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}
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if (sbDeclare.Length > 0) sbDeclare.Insert(0, "declare ");
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return sb.Length == 0 ? null : sb.Insert(0, "BEGIN \r\n").Insert(0, sbDeclare.ToString()).Append("END;").ToString();
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