@Override
protected Type visitLikePredicate(LikePredicate node, AnalysisContext context) {
coerceType(context, node.getValue(), VARCHAR, "Left side of LIKE expression");
coerceType(context, node.getPattern(), VARCHAR, "Pattern for LIKE expression");
if (node.getEscape() != null) {
coerceType(context, node.getEscape(), VARCHAR, "Escape for LIKE expression");
}
expressionTypes.put(node, BOOLEAN);
return BOOLEAN;
}
@Override
protected String visitLikePredicate(LikePredicate node, Boolean unmangleNames) {
StringBuilder builder = new StringBuilder();
builder
.append('(')
.append(process(node.getValue(), unmangleNames))
.append(" LIKE ")
.append(process(node.getPattern(), unmangleNames));
if (node.getEscape() != null) {
builder.append(" ESCAPE ").append(process(node.getEscape(), unmangleNames));
}
builder.append(')');
return builder.toString();
}
