[HAWQ-282] Refine reject limit check and handle for error table in external table and COPY

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.0.0-incubating
• Fix Version/s: backlog
• Component/s: External Tables, Storage
• Assignee: Ruilong Huo
• Reporter: Ruilong Huo
• Created: 25/Dec/15 06:34
• Updated: 24/Jan/16 02:15

Description

It uses macros to implement reject limit check and handle for error table in external table and COPY. It is better to refine them using inline functions or just functions to improve readability.

The related macros include:
1. src/backend/access/external/fileam.c

EXT_RESET_LINEBUF
FILEAM_HANDLE_ERROR
CSV_IS_UNPARSABLE
FILEAM_IF_REJECT_LIMIT_REACHED_ABORT

2. src/backend/commands/copy.c

RESET_LINEBUF
COPY_HANDLE_ERROR
QD_GOTO_NEXT_ROW
QE_GOTO_NEXT_ROW
CSV_IS_UNPARSABLE
IF_REJECT_LIMIT_REACHED_ABORT