public StatementDMQL CompileMergeStatement(RangeVariable[] outerRanges) { int[] array = null; Expression[] a = null; List <Expression> updateExpressions = new List <Expression>(); Expression[] emptyArray = Expression.emptyArray; List <Expression> insertExpressions = new List <Expression>(); Expression tableExpression = null; base.Read(); base.ReadThis(0x8b); RangeVariable variable = base.ReadSimpleRangeVariable(0x80); Table rangeTable = variable.RangeTable; base.ReadThis(0x130); RangeVariable sourceRangeVar = base.ReadTableOrSubquery(); base.ReadThis(0xc0); Expression conditions = base.XreadBooleanValueExpression(); if (conditions.GetDataType() != SqlType.SqlBoolean) { throw Error.GetError(0x15c0); } RangeVariable[] rangeVarArray = new RangeVariable[] { sourceRangeVar, variable }; RangeVariable[] rangeVariables = new RangeVariable[] { sourceRangeVar }; RangeVariable[] targetRangeVars = new RangeVariable[] { variable }; int[] columnMap = rangeTable.GetColumnMap(); bool[] newColumnCheckList = rangeTable.GetNewColumnCheckList(); OrderedHashSet <Expression> updateTargetSet = new OrderedHashSet <Expression>(); OrderedHashSet <string> insertColumnNames = new OrderedHashSet <string>(); LongDeque updateColIndexList = new LongDeque(); this.ReadMergeWhen(updateColIndexList, insertColumnNames, updateTargetSet, insertExpressions, updateExpressions, targetRangeVars, sourceRangeVar); if (insertExpressions.Count > 0) { if (insertColumnNames.Size() != 0) { columnMap = rangeTable.GetColumnIndexes(insertColumnNames); newColumnCheckList = rangeTable.GetColumnCheckList(columnMap); } tableExpression = insertExpressions[0]; SetParameterTypes(tableExpression, rangeTable, columnMap); } if (updateExpressions.Count > 0) { a = new Expression[updateTargetSet.Size()]; updateTargetSet.ToArray(a); for (int i = 0; i < a.Length; i++) { this.ResolveOuterReferencesAndTypes(outerRanges, a[i]); } emptyArray = updateExpressions.ToArray(); array = new int[updateColIndexList.Size()]; updateColIndexList.ToArray(array); } if (emptyArray.Length != 0) { Table baseTable = rangeTable.GetBaseTable(); if (rangeTable != baseTable) { int[] newRow = new int[array.Length]; ArrayUtil.ProjectRow(rangeTable.GetBaseTableColumnMap(), array, newRow); } this.ResolveUpdateExpressions(rangeTable, rangeVariables, array, emptyArray, outerRanges); } List <Expression> set = conditions.ResolveColumnReferences(rangeVarArray, null); ExpressionColumn.CheckColumnsResolved(set); conditions.ResolveTypes(base.session, null); if (conditions.IsUnresolvedParam()) { conditions.DataType = SqlType.SqlBoolean; } if (conditions.GetDataType() != SqlType.SqlBoolean) { throw Error.GetError(0x15c0); } RangeVariableResolver resolver1 = new RangeVariableResolver(rangeVarArray, conditions, base.compileContext); resolver1.ProcessConditions(base.session); rangeVarArray = resolver1.GetRangeVariables(); if (tableExpression != null) { ExpressionColumn.CheckColumnsResolved(tableExpression.ResolveColumnReferences(rangeVariables, set)); tableExpression.ResolveTypes(base.session, null); } StatementDML tdml1 = new StatementDML(base.session, a, rangeVarArray, columnMap, array, newColumnCheckList, conditions, tableExpression, emptyArray, base.compileContext); tdml1.CheckAccessRights(base.session); return(tdml1); }
public StatementDMQL CompileUpdateStatement(RangeVariable[] outerRanges) { base.Read(); OrderedHashSet <Expression> targets = new OrderedHashSet <Expression>(); LongDeque colIndexList = new LongDeque(); List <Expression> expressions = new List <Expression>(); RangeVariable[] rangeVars = new RangeVariable[] { base.ReadSimpleRangeVariable(0x52) }; Table rangeTable = rangeVars[0].RangeTable; Table baseTable = rangeTable.GetBaseTable(); base.ReadThis(0xfc); this.ReadSetClauseList(rangeVars, targets, colIndexList, expressions); int[] array = new int[colIndexList.Size()]; colIndexList.ToArray(array); Expression[] a = new Expression[targets.Size()]; targets.ToArray(a); for (int i = 0; i < a.Length; i++) { this.ResolveOuterReferencesAndTypes(outerRanges, a[i]); } bool[] columnCheckList = rangeTable.GetColumnCheckList(array); Expression[] colExpressions = expressions.ToArray(); Expression expression = null; if (base.token.TokenType == 0x13a) { base.Read(); expression = base.XreadBooleanValueExpression(); List <Expression> sourceSet = expression.ResolveColumnReferences(outerRanges, null); if (outerRanges.Length != 0) { sourceSet = Expression.ResolveColumnSet(outerRanges, outerRanges.Length, sourceSet, null); } ExpressionColumn.CheckColumnsResolved(Expression.ResolveColumnSet(rangeVars, rangeVars.Length, sourceSet, null)); expression.ResolveTypes(base.session, null); if (expression.IsUnresolvedParam()) { expression.DataType = SqlType.SqlBoolean; } if (expression.GetDataType() != SqlType.SqlBoolean) { throw Error.GetError(0x15c0); } } this.ResolveUpdateExpressions(rangeTable, rangeVars, array, colExpressions, outerRanges); if (rangeTable != baseTable) { QuerySpecification mainSelect = rangeTable.GetQueryExpression().GetMainSelect(); RangeVariable[] newRanges = (RangeVariable[])mainSelect.RangeVariables.Clone(); newRanges[0] = mainSelect.RangeVariables[0].Duplicate(); Expression[] list = new Expression[mainSelect.IndexLimitData]; for (int j = 0; j < mainSelect.IndexLimitData; j++) { Expression expression3 = mainSelect.ExprColumns[j].Duplicate(); list[j] = expression3; expression3.ReplaceRangeVariables(mainSelect.RangeVariables, newRanges); } Expression queryCondition = mainSelect.QueryCondition; if (queryCondition != null) { queryCondition = queryCondition.Duplicate(); queryCondition.ReplaceRangeVariables(rangeVars, newRanges); } if (expression != null) { expression = expression.ReplaceColumnReferences(rangeVars[0], list); } for (int k = 0; k < colExpressions.Length; k++) { colExpressions[k] = colExpressions[k].ReplaceColumnReferences(rangeVars[0], list); } rangeVars = newRanges; expression = ExpressionLogical.AndExpressions(queryCondition, expression); } if (expression != null) { rangeVars[0].AddJoinCondition(expression); RangeVariableResolver resolver1 = new RangeVariableResolver(rangeVars, null, base.compileContext); resolver1.ProcessConditions(base.session); rangeVars = resolver1.RangeVariables; } if ((baseTable != null) && (rangeTable != baseTable)) { int[] newRow = new int[array.Length]; ArrayUtil.ProjectRow(rangeTable.GetBaseTableColumnMap(), array, newRow); array = newRow; for (int j = 0; j < array.Length; j++) { if (baseTable.ColGenerated[array[j]]) { throw Error.GetError(0x1589); } } } StatementDML tdml1 = new StatementDML(base.session, a, rangeTable, rangeVars, array, colExpressions, columnCheckList, base.compileContext); tdml1.CheckAccessRights(base.session); return(tdml1); }
public StatementDMQL CompileDeleteStatement(RangeVariable[] outerRanges) { Expression expression = null; int num2; bool flag = false; bool restartIdentity = false; int tokenType = base.token.TokenType; if (tokenType != 0x4e) { if (tokenType != 0x125) { throw base.UnexpectedToken(); } base.Read(); base.ReadThis(0x114); flag = true; num2 = 0x451; } else { base.Read(); base.ReadThis(0x72); num2 = 0x13; } RangeVariable[] rangeVars = new RangeVariable[] { base.ReadSimpleRangeVariable(num2) }; Table targetTable = rangeVars[0].GetTable(); Table baseTable = targetTable.GetBaseTable(); if (flag) { if (targetTable != baseTable) { throw Error.GetError(0x15a9); } if (targetTable.IsTriggerDeletable()) { throw Error.GetError(0x15a9); } switch (base.token.TokenType) { case 0x178: base.Read(); base.ReadThis(0x7f); break; case 0x1e3: base.Read(); base.ReadThis(0x7f); restartIdentity = true; break; } if (targetTable.FkMainConstraints.Length != 0) { throw Error.GetError(8); } } if (!flag && (base.token.TokenType == 0x13a)) { base.Read(); expression = base.XreadBooleanValueExpression(); List <Expression> sourceSet = expression.ResolveColumnReferences(outerRanges, null); if (outerRanges.Length != 0) { sourceSet = Expression.ResolveColumnSet(outerRanges, outerRanges.Length, sourceSet, null); } ExpressionColumn.CheckColumnsResolved(Expression.ResolveColumnSet(rangeVars, rangeVars.Length, sourceSet, null)); expression.ResolveTypes(base.session, null); if (expression.IsUnresolvedParam()) { expression.DataType = SqlType.SqlBoolean; } if (expression.GetDataType() != SqlType.SqlBoolean) { throw Error.GetError(0x15c0); } } if (targetTable != baseTable) { QuerySpecification mainSelect = targetTable.GetQueryExpression().GetMainSelect(); RangeVariable[] newRanges = (RangeVariable[])mainSelect.RangeVariables.Clone(); newRanges[0] = mainSelect.RangeVariables[0].Duplicate(); Expression[] list = new Expression[mainSelect.IndexLimitData]; for (int i = 0; i < mainSelect.IndexLimitData; i++) { Expression expression3 = mainSelect.ExprColumns[i].Duplicate(); list[i] = expression3; expression3.ReplaceRangeVariables(mainSelect.RangeVariables, newRanges); } Expression queryCondition = mainSelect.QueryCondition; if (queryCondition != null) { queryCondition = queryCondition.Duplicate(); queryCondition.ReplaceRangeVariables(rangeVars, newRanges); } if (expression != null) { expression = expression.ReplaceColumnReferences(rangeVars[0], list); } rangeVars = newRanges; expression = ExpressionLogical.AndExpressions(queryCondition, expression); } if (expression != null) { rangeVars[0].AddJoinCondition(expression); RangeVariableResolver resolver1 = new RangeVariableResolver(rangeVars, null, base.compileContext); resolver1.ProcessConditions(base.session); rangeVars = resolver1.RangeVariables; } StatementDML tdml1 = new StatementDML(base.session, targetTable, rangeVars, base.compileContext, restartIdentity, num2); tdml1.CheckAccessRights(base.session); return(tdml1); }