Examples with Option com.alibaba.druid.sql.ast.statement.SQLForeignKeyImpl.Option used on opensource projects

Example 1 with Option

use of com.alibaba.druid.sql.ast.statement.SQLForeignKeyImpl.Option in project druid by alibaba.

the class MySqlExprParser method parseForeignKey.

public MysqlForeignKey parseForeignKey() {
    accept(Token.FOREIGN);
    accept(Token.KEY);
    MysqlForeignKey fk = new MysqlForeignKey();
    if (lexer.token() != Token.LPAREN) {
        SQLName indexName = name();
        fk.setIndexName(indexName);
    }
    accept(Token.LPAREN);
    this.names(fk.getReferencingColumns(), fk);
    accept(Token.RPAREN);
    accept(Token.REFERENCES);
    fk.setReferencedTableName(this.name());
    accept(Token.LPAREN);
    this.names(fk.getReferencedColumns());
    accept(Token.RPAREN);
    if (lexer.identifierEquals(FnvHash.Constants.MATCH)) {
        lexer.nextToken();
        if (lexer.identifierEquals("FULL") || lexer.token() == Token.FULL) {
            fk.setReferenceMatch(Match.FULL);
            lexer.nextToken();
        } else if (lexer.identifierEquals(FnvHash.Constants.PARTIAL)) {
            fk.setReferenceMatch(Match.PARTIAL);
            lexer.nextToken();
        } else if (lexer.identifierEquals(FnvHash.Constants.SIMPLE)) {
            fk.setReferenceMatch(Match.SIMPLE);
            lexer.nextToken();
        } else {
            throw new ParserException("TODO : " + lexer.info());
        }
    }
    while (lexer.token() == Token.ON) {
        lexer.nextToken();
        if (lexer.token() == Token.DELETE) {
            lexer.nextToken();
            Option option = parseReferenceOption();
            fk.setOnDelete(option);
        } else if (lexer.token() == Token.UPDATE) {
            lexer.nextToken();
            Option option = parseReferenceOption();
            fk.setOnUpdate(option);
        } else {
            throw new ParserException("syntax error, expect DELETE or UPDATE, actual " + lexer.token() + " " + lexer.info());
        }
    }
    return fk;
}