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

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

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    }

    public static boolean queryBlockFromIsNull(WallVisitor visitor, SQLSelectQuery query, boolean checkSelectConst) {
        if (query instanceof SQLSelectQueryBlock) {
            SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) query;
            SQLTableSource from = queryBlock.getFrom();

            if (from == null) {
                return true;
            }
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        SQLUpdateStatement udpateStatement = createUpdateStatement();

        if (lexer.token() == Token.UPDATE) {
            lexer.nextToken();

            SQLTableSource tableSource = this.exprParser.createSelectParser().parseTableSource();
            udpateStatement.setTableSource(tableSource);
        }

        parseUpdateSet(udpateStatement);
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    }

    public SQLTableSource parseTableSource() {
        if (lexer.token() == Token.LPAREN) {
            lexer.nextToken();
            SQLTableSource tableSource;
            if (lexer.token() == Token.SELECT || lexer.token() == Token.WITH) {
                SQLSelect select = select();
                accept(Token.RPAREN);
                queryRest(select.getQuery());
                tableSource = new SQLSubqueryTableSource(select);
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        }

        if (x.getExpr() instanceof SQLAllColumnExpr //
            && x.getParent() instanceof SQLSelectQueryBlock) {
            SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) x.getParent();
            SQLTableSource from = queryBlock.getFrom();
           
            if (from instanceof SQLExprTableSource) {
                addViolation(visitor, x);
            }
        }
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        if (parent == null) {
            throw new IllegalStateException("parent is null");
        }

        String alias = null;
        SQLTableSource tableSource;
        if (parent instanceof SQLDeleteStatement) {
            tableSource = ((SQLDeleteStatement) parent).getTableSource();
        } else if (parent instanceof SQLUpdateStatement) {
            tableSource = ((SQLUpdateStatement) parent).getTableSource();
        } else if (parent instanceof SQLSelectQueryBlock) {
            tableSource = ((SQLSelectQueryBlock) parent).getFrom();
        } else {
            throw new IllegalStateException("not support parent : " + parent.getClass());
        }

        String matchTableName = null;
        if (tableSource instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) tableSource).getExpr();

            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();
                if (ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    matchTableName = tableName;
                    alias = tableSource.getAlias();
                }
            }
        } else if (tableSource instanceof SQLJoinTableSource) {
            SQLJoinTableSource join = (SQLJoinTableSource) tableSource;
            if (join.getLeft() instanceof SQLExprTableSource) {
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        if (checkLeft) {

        }

        SQLTableSource right = join.getRight();
        if (right instanceof SQLExprTableSource) {
            SQLExpr tableExpr = ((SQLExprTableSource) right).getExpr();

            if (tableExpr instanceof SQLIdentifierExpr) {
                String tableName = ((SQLIdentifierExpr) tableExpr).getName();
                if (ServletPathMatcher.getInstance().matches(tenantTablePattern, tableName)) {
                    String alias = right.getAlias();
                    if (alias == null) {
                        alias = tableName;
                    }
                    SQLBinaryOpExpr tenantCondition = cretateTenantCondition(visitor, alias);
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    }

    public static boolean queryBlockFromIsNull(SQLSelectQuery query) {
        if (query instanceof SQLSelectQueryBlock) {
            SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) query;
            SQLTableSource from = queryBlock.getFrom();

            if (from == null) {
                return true;
            }
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    public boolean visit(OracleUpdateStatement x) {
        setAliasMap();
        setMode(x, Mode.Update);

        SQLTableSource tableSource = x.getTableSource();
        SQLExpr tableExpr = null;

        if (tableSource instanceof SQLExprTableSource) {
            tableExpr = ((SQLExprTableSource) tableSource).getExpr();
        }

        if (tableExpr instanceof SQLName) {
            String ident = tableExpr.toString();
            setCurrentTable(ident);

            TableStat stat = getTableStat(ident);
            stat.incrementUpdateCount();

            Map<String, String> aliasMap = getAliasMap();
            aliasMap.put(ident, ident);
            aliasMap.put(tableSource.getAlias(), ident);
        } else {
            tableSource.accept(this);
        }

        accept(x.getItems());
        accept(x.getWhere());
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    }

    public SQLTableSource parseTableSource() {
        if (lexer.token() == Token.LPAREN) {
            lexer.nextToken();
            SQLTableSource tableSource;
            if (lexer.token() == Token.SELECT || lexer.token() == Token.WITH) {
                SQLSelect select = select();
                accept(Token.RPAREN);
                queryRest(select.getQuery());
                tableSource = new SQLSubqueryTableSource(select);
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            if (identifierEquals(IGNORE)) {
                lexer.nextToken();
                stmt.setIgnore(true);
            }

            SQLTableSource tableSource = this.exprParser.createSelectParser().parseTableSource();
            stmt.setTableSource(tableSource);
        }

        accept(Token.SET);
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Related Classes of com.alibaba.druid.sql.ast.statement.SQLTableSource

  • com.alibaba.druid.mapping.spi.MappingVisitorUtils
  • com.alibaba.druid.mock.handler.MySqlMockExecuteHandlerImpl
  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlCreateTableParser
  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleUpdateParser
  • com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor
  • com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser
  • com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerSelectParser
  • com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser
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