Package com.alibaba.druid.sql.ast.statement

Examples of com.alibaba.druid.sql.ast.statement.SQLDeleteStatement

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        } else {
            condition = new SQLBinaryOpExpr(tenantCondition, SQLBinaryOperator.BooleanAnd, x);
        }

        if (parent instanceof SQLDeleteStatement) {
            SQLDeleteStatement deleteStmt = (SQLDeleteStatement) parent;
            deleteStmt.setWhere(condition);
            visitor.setSqlModified(true);
        } else if (parent instanceof SQLUpdateStatement) {
            SQLUpdateStatement updateStmt = (SQLUpdateStatement) parent;
            updateStmt.setWhere(condition);
            visitor.setSqlModified(true);
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                    return true;
                }
            }

            if (parent instanceof SQLDeleteStatement) {
                SQLDeleteStatement delete = (SQLDeleteStatement) parent;
                if (delete.getWhere() == x) {
                    return true;
                } else {
                    return false;
                }
            }
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        } else {
            condition = new SQLBinaryOpExpr(tenantCondition, SQLBinaryOperator.BooleanAnd, x);
        }

        if (parent instanceof SQLDeleteStatement) {
            SQLDeleteStatement deleteStmt = (SQLDeleteStatement) parent;
            deleteStmt.setWhere(condition);
            visitor.setSqlModified(true);
        } else if (parent instanceof SQLUpdateStatement) {
            SQLUpdateStatement updateStmt = (SQLUpdateStatement) parent;
            updateStmt.setWhere(condition);
            visitor.setSqlModified(true);
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                    return true;
                }
            }

            if (parent instanceof SQLDeleteStatement) {
                SQLDeleteStatement delete = (SQLDeleteStatement) parent;
                if (delete.getWhere() == x) {
                    return true;
                } else {
                    return false;
                }
            }
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        } else {
            condition = new SQLBinaryOpExpr(tenantCondition, SQLBinaryOperator.BooleanAnd, x);
        }

        if (parent instanceof SQLDeleteStatement) {
            SQLDeleteStatement deleteStmt = (SQLDeleteStatement) parent;
            deleteStmt.setWhere(condition);
            visitor.setSqlModified(true);
        } else if (parent instanceof SQLUpdateStatement) {
            SQLUpdateStatement updateStmt = (SQLUpdateStatement) parent;
            updateStmt.setWhere(condition);
            visitor.setSqlModified(true);
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                    return true;
                }
            }

            if (parent instanceof SQLDeleteStatement) {
                SQLDeleteStatement delete = (SQLDeleteStatement) parent;
                if (delete.getWhere() == x) {
                    return true;
                } else {
                    return false;
                }
            }
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    public String explainToDeleteSQL(String sql) {
        return explainToDeleteSQL(sql, new MappingContext());
    }

    public String explainToDeleteSQL(String sql, MappingContext context) {
        SQLDeleteStatement stmt = explainToDeleteSQLObject(sql, context);

        MappingVisitor visitor = this.createMappingVisitor(context);
        stmt.accept(visitor);
        visitor.afterResolve();
        afterResole(visitor);

        return toSQL(stmt);
    }
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    public int delete(Connection conn, String sql, List<Object> parameters) throws SQLException {
        return delete(conn, sql, new MappingContext(parameters));
    }

    public int delete(Connection conn, String sql, MappingContext context) throws SQLException {
        SQLDeleteStatement sqlObject = this.explainToDeleteSQLObject(sql, context);
        exportParameters(sqlObject, context.getParameters());
        String rawSql = this.toSQL(sqlObject);
        int updateCount = JdbcUtils.executeUpdate(conn, rawSql, context.getParameters());
        return updateCount;
    }
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        return query;
    }

    public SQLDeleteStatement explainToDeleteSQLObject(MappingEngine engine, String sql, MappingContext context) {
        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
        SQLDeleteStatement stmt = parser.parseDeleteStatement();

        MappingVisitorUtils.setTableSource(engine, stmt, context);

        return stmt;
    }
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    protected SQLUpdateStatement createUpdateStatement() {
        return new SQLUpdateStatement();
    }

    public SQLDeleteStatement parseDeleteStatement() throws ParserException {
        SQLDeleteStatement deleteStatement = new SQLDeleteStatement();

        if (lexer.token() == Token.DELETE) {
            lexer.nextToken();
            if (lexer.token() == (Token.FROM)) {
                lexer.nextToken();
            }

            SQLName tableName = exprParser.name();

            deleteStatement.setTableName(tableName);
        }

        if (lexer.token() == (Token.WHERE)) {
            lexer.nextToken();
            SQLExpr where = this.exprParser.expr();
            deleteStatement.setWhere(where);
        }

        return deleteStatement;
    }
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Related Classes of com.alibaba.druid.sql.ast.statement.SQLDeleteStatement

  • com.alibaba.druid.bvt.sql.SQLASTVisitorAdapterTest
  • com.alibaba.druid.mapping.MappingEngine
  • com.alibaba.druid.mapping.spi.MSSQLServerMappingProvider
  • com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr
  • com.alibaba.druid.sql.parser.SQLStatementParser
  • com.alibaba.druid.wall.spi.WallVisitorUtils
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