Function printExpression

cpp/3rd_party/sql-parser/src/util/sqlhelper.cpp:127–209

}

void printExpression(std::ostream& s, const Expr* expr, uintmax_t numIndent)
{
    if (!expr) {
        return;
    }
    switch (expr->type) {
    case kExprStar:
        inprint(s, "*", numIndent);
        break;
    case kExprColumnRef:
        inprint(s, expr->name, numIndent);
        if (expr->table) {
            inprint(s, "Table:", numIndent + 1);
            inprint(s, expr->table, numIndent + 2);
        }
        break;
    // case kExprTableColumnRef: inprint(expr->table, expr->name, numIndent); break;
    case kExprLiteralFloat:
        inprint(s, expr->fval, numIndent);
        break;
    case kExprLiteralInt:
        inprint(s, expr->ival, numIndent);
        break;
    case kExprLiteralString:
        inprint(s, expr->name, numIndent);
        break;
    case kExprLiteralDate:
        inprint(s, expr->name, numIndent);
        break;
    case kExprLiteralNull:
        inprint(s, "NULL", numIndent);
        break;
    case kExprLiteralInterval:
        inprint(s, "INTERVAL", numIndent);
        inprint(s, expr->ival, numIndent + 1);
        inprint(s, expr->datetimeField, numIndent + 1);
        break;
    case kExprFunctionRef:
        inprint(s, expr->name, numIndent);
        for (Expr* e : *expr->exprList)
            printExpression(s, e, numIndent + 1);
        break;
    case kExprExtract:
        inprint(s, "EXTRACT", numIndent);
        inprint(s, expr->datetimeField, numIndent + 1);
        printExpression(s, expr->expr, numIndent + 1);
        break;
    case kExprCast:
        inprint(s, "CAST", numIndent);
        inprint(s, expr->columnType, numIndent + 1);
        printExpression(s, expr->expr, numIndent + 1);
        break;
    case kExprOperator:
        printOperatorExpression(s, expr, numIndent);
        break;
    case kExprSelect:
        printSelectStatementInfo(s, expr->select, numIndent);
        break;