Examples with PostgresExtractFunctionNode org.apache.cayenne.dba.postgres.sqltree.PostgresExtractFunctionNode used on opensource projects

Example 1 with PostgresExtractFunctionNode

use of org.apache.cayenne.dba.postgres.sqltree.PostgresExtractFunctionNode in project cayenne by apache.

the class PostgreSQLTreeProcessor method onFunctionNode.

protected Optional<Node> onFunctionNode(Node parent, FunctionNode child, int index) {
    Node replacement = null;
    String functionName = child.getFunctionName();
    if (EXTRACT_FUNCTION_NAMES.contains(functionName)) {
        replacement = new PostgresExtractFunctionNode(functionName);
    } else if ("CURRENT_DATE".equals(functionName) || "CURRENT_TIME".equals(functionName) || "CURRENT_TIMESTAMP".equals(functionName)) {
        replacement = new FunctionNode(functionName, child.getAlias(), false);
    } else if ("LOCATE".equals(functionName)) {
        replacement = new PositionFunctionNode(child.getAlias());
    }
    return Optional.ofNullable(replacement);
}