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Example 1 with OdpsSetLabelStatement

use of com.alibaba.druid.sql.dialect.odps.ast.OdpsSetLabelStatement in project druid by alibaba.

the class OdpsStatementParser method parseSet.

public SQLStatement parseSet() {
    List<String> comments = null;
    if (lexer.isKeepComments() && lexer.hasComment()) {
        comments = lexer.readAndResetComments();
    }
    accept(Token.SET);
    if (identifierEquals("LABEL")) {
        OdpsSetLabelStatement stmt = new OdpsSetLabelStatement();
        if (comments != null) {
            stmt.addBeforeComment(comments);
        }
        lexer.nextToken();
        stmt.setLabel(lexer.stringVal());
        lexer.nextToken();
        accept(Token.TO);
        if (lexer.token() == Token.USER) {
            lexer.nextToken();
            SQLName name = this.exprParser.name();
            stmt.setUser(name);
            return stmt;
        }
        accept(Token.TABLE);
        SQLExpr expr = this.exprParser.name();
        stmt.setTable(new SQLExprTableSource(expr));
        if (lexer.token() == Token.LPAREN) {
            lexer.nextToken();
            this.exprParser.names(stmt.getColumns(), stmt);
            accept(Token.RPAREN);
        }
        return stmt;
    } else {
        SQLSetStatement stmt = new SQLSetStatement(getDbType());
        if (comments != null) {
            stmt.addBeforeComment(comments);
        }
        parseAssignItems(stmt.getItems(), stmt);
        return stmt;
    }
}
Also used : SQLSetStatement(com.alibaba.druid.sql.ast.statement.SQLSetStatement) SQLName(com.alibaba.druid.sql.ast.SQLName) SQLExprTableSource(com.alibaba.druid.sql.ast.statement.SQLExprTableSource) OdpsSetLabelStatement(com.alibaba.druid.sql.dialect.odps.ast.OdpsSetLabelStatement) SQLExpr(com.alibaba.druid.sql.ast.SQLExpr)

Aggregations

SQLExpr (com.alibaba.druid.sql.ast.SQLExpr)1 SQLName (com.alibaba.druid.sql.ast.SQLName)1 SQLExprTableSource (com.alibaba.druid.sql.ast.statement.SQLExprTableSource)1 SQLSetStatement (com.alibaba.druid.sql.ast.statement.SQLSetStatement)1 OdpsSetLabelStatement (com.alibaba.druid.sql.dialect.odps.ast.OdpsSetLabelStatement)1