use of com.alibaba.druid.sql.ast.statement.SQLColumnUniqueKey in project druid by alibaba.
the class SQLExprParser method parseColumnRest.
public SQLColumnDefinition parseColumnRest(SQLColumnDefinition column) {
if (lexer.token() == Token.DEFAULT) {
lexer.nextToken();
column.setDefaultExpr(bitOr());
return parseColumnRest(column);
}
if (lexer.token() == Token.NOT) {
lexer.nextToken();
accept(Token.NULL);
column.addConstraint(new SQLNotNullConstraint());
return parseColumnRest(column);
}
if (lexer.token() == Token.NULL) {
lexer.nextToken();
column.getConstraints().add(new SQLNullConstraint());
return parseColumnRest(column);
}
if (lexer.token == Token.PRIMARY) {
lexer.nextToken();
accept(Token.KEY);
column.addConstraint(new SQLColumnPrimaryKey());
return parseColumnRest(column);
}
if (lexer.token == Token.UNIQUE) {
lexer.nextToken();
if (lexer.token() == Token.KEY) {
lexer.nextToken();
}
column.addConstraint(new SQLColumnUniqueKey());
return parseColumnRest(column);
}
if (lexer.token == Token.CONSTRAINT) {
lexer.nextToken();
SQLName name = this.name();
if (lexer.token() == Token.PRIMARY) {
lexer.nextToken();
accept(Token.KEY);
SQLColumnPrimaryKey pk = new SQLColumnPrimaryKey();
pk.setName(name);
column.addConstraint(pk);
return parseColumnRest(column);
}
if (lexer.token() == Token.UNIQUE) {
lexer.nextToken();
SQLColumnUniqueKey uk = new SQLColumnUniqueKey();
uk.setName(name);
column.addConstraint(uk);
return parseColumnRest(column);
}
if (lexer.token() == Token.REFERENCES) {
lexer.nextToken();
SQLColumnReference ref = new SQLColumnReference();
ref.setName(name);
ref.setTable(this.name());
accept(Token.LPAREN);
this.names(ref.getColumns(), ref);
accept(Token.RPAREN);
column.addConstraint(ref);
return parseColumnRest(column);
}
if (lexer.token() == Token.NOT) {
lexer.nextToken();
accept(Token.NULL);
SQLNotNullConstraint notNull = new SQLNotNullConstraint();
notNull.setName(name);
column.addConstraint(notNull);
return parseColumnRest(column);
}
if (lexer.token == Token.CHECK) {
SQLColumnCheck check = parseColumnCheck();
check.setName(name);
check.setParent(column);
column.addConstraint(check);
return parseColumnRest(column);
}
if (lexer.token == Token.DEFAULT) {
lexer.nextToken();
SQLExpr expr = this.expr();
column.setDefaultExpr(expr);
return parseColumnRest(column);
}
throw new ParserException("TODO : " + lexer.token() + " " + lexer.stringVal());
}
if (lexer.token == Token.CHECK) {
SQLColumnCheck check = parseColumnCheck();
column.addConstraint(check);
return parseColumnRest(column);
}
if (lexer.token() == Token.COMMENT) {
lexer.nextToken();
column.setComment(primary());
return parseColumnRest(column);
}
return column;
}
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