Examples with AstSpecialConstant com.developmentontheedge.sql.model.AstSpecialConstant used on opensource projects

Example 1 with AstSpecialConstant

use of com.developmentontheedge.sql.model.AstSpecialConstant in project be5 by DevelopmentOnTheEdge.

the class MySqlTransformer method transformDecode.

@Override
protected void transformDecode(AstFunNode node) {
    AstCase astCase = new AstCase();
    for (int i = 1; i < node.jjtGetNumChildren() - 1; i++) {
        SimpleNode cond;
        if (node.child(i) instanceof AstSpecialConstant) {
            cond = new AstNullPredicate(0);
            cond.addChild(node.child(0));
        } else {
            cond = DefaultParserContext.FUNC_EQ.node(node.child(0), node.child(i));
        }
        astCase.addChild(new AstWhen(cond, node.child(++i)));
        if (i == node.jjtGetNumChildren() - 2) {
            astCase.addChild(new AstCaseElse(node.child(++i)));
        }
    }
    node.replaceWith(astCase);
}

Example 2 with AstSpecialConstant

use of com.developmentontheedge.sql.model.AstSpecialConstant in project be5 by DevelopmentOnTheEdge.

the class PostgreSqlTransformer method transformDecode.

@Override
protected void transformDecode(AstFunNode node) {
    AstCase astCase = new AstCase();
    for (int i = 1; i < node.jjtGetNumChildren() - 1; i++) {
        SimpleNode cond;
        if (node.child(i) instanceof AstSpecialConstant) {
            cond = new AstNullPredicate(0);
            cond.addChild(node.child(0));
        } else {
            cond = DefaultParserContext.FUNC_EQ.node(node.child(0), node.child(i));
        }
        astCase.addChild(new AstWhen(cond, node.child(++i)));
        if (i == node.jjtGetNumChildren() - 2) {
            astCase.addChild(new AstCaseElse(node.child(++i)));
        }
    }
    node.replaceWith(astCase);
}

Example 3 with AstSpecialConstant

use of com.developmentontheedge.sql.model.AstSpecialConstant in project be5 by DevelopmentOnTheEdge.

the class SqlServerTransformer method transformDecode.

@Override
protected void transformDecode(AstFunNode node) {
    AstCase astCase = new AstCase();
    for (int i = 1; i < node.jjtGetNumChildren() - 1; i++) {
        SimpleNode cond;
        if (node.child(i) instanceof AstSpecialConstant) {
            cond = new AstNullPredicate(0);
            cond.addChild(node.child(0));
        } else {
            cond = DefaultParserContext.FUNC_EQ.node(node.child(0), node.child(i));
        }
        astCase.addChild(new AstWhen(cond, node.child(++i)));
        if (i == node.jjtGetNumChildren() - 2) {
            astCase.addChild(new AstCaseElse(node.child(++i)));
        }
    }
    node.replaceWith(astCase);
}