0001-add-check-incomptiblity-options-hooks.patch

From f01ad61fe6c251a00870ace5d37669350f8e2043 Mon Sep 17 00:00:00 2001
From: Zhao Junwang <zhjwpku@gmail.com>
Date: Fri, 26 Jan 2024 15:55:07 +0800
Subject: [PATCH] add check incomptiblity options hooks

Signed-off-by: Zhao Junwang <zhjwpku@gmail.com>
---
 src/backend/commands/copy.c    |  5 +++++
 src/include/commands/copyapi.h | 15 +++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c
index 479f36868c..985d50870f 100644
--- a/src/backend/commands/copy.c
+++ b/src/backend/commands/copy.c
@@ -924,6 +924,11 @@ ProcessCopyOptions(ParseState *pstate,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
 					 errmsg("NULL specification and DEFAULT specification cannot be the same")));
 	}
+
+	if (is_from)
+		opts_out->from_routine->CopyFromCheckIncompatibleOptions(cstate, opts_out);
+	else
+		opts_out->to_routine->CopyToCheckIncompatibleOptions(cstate, opts_out);
 }
 
 /*
diff --git a/src/include/commands/copyapi.h b/src/include/commands/copyapi.h
index 22accc83ab..34aa86761a 100644
--- a/src/include/commands/copyapi.h
+++ b/src/include/commands/copyapi.h
@@ -21,8 +21,10 @@
 #include "nodes/parsenodes.h"
 
 typedef struct CopyFromStateData *CopyFromState;
+typedef struct CopyFormatOptions;
 
 typedef bool (*CopyFromProcessOption_function) (CopyFromState cstate, DefElem *defel);
+typedef void (*CopyFromCheckIncompatibleOptions_function) (CopyFromState cstate, CopyFormatOptions *options);
 typedef int16 (*CopyFromGetFormat_function) (CopyFromState cstate);
 typedef void (*CopyFromStart_function) (CopyFromState cstate, TupleDesc tupDesc);
 typedef bool (*CopyFromOneRow_function) (CopyFromState cstate, ExprContext *econtext, Datum *values, bool *nulls);
@@ -39,6 +41,12 @@ typedef struct CopyFromRoutine
 	 */
 	CopyFromProcessOption_function CopyFromProcessOption;
 
+	/*
+	 * Called for processing incompatible options. This will report error
+	 * messages when find incompatible options.
+	 */
+	CopyFromCheckIncompatibleOptions_function CopyFromCheckIncompatibleOptions;
+
 	/*
 	 * Called when COPY FROM is started. This will return a format as int16
 	 * value. It's used for the CopyInResponse message.
@@ -67,6 +75,7 @@ extern CopyFromRoutine CopyFromRoutineBinary;
 typedef struct CopyToStateData *CopyToState;
 
 typedef bool (*CopyToProcessOption_function) (CopyToState cstate, DefElem *defel);
+typedef void (*CopyToCheckIncompatibleOptions_function) (CopyToState cstate, CopyFormatOptions *options);
 typedef int16 (*CopyToGetFormat_function) (CopyToState cstate);
 typedef void (*CopyToStart_function) (CopyToState cstate, TupleDesc tupDesc);
 typedef void (*CopyToOneRow_function) (CopyToState cstate, TupleTableSlot *slot);
@@ -83,6 +92,12 @@ typedef struct CopyToRoutine
 	 */
 	CopyToProcessOption_function CopyToProcessOption;
 
+	/*
+	 * Called for processing incompatible options. This will report error
+	 * messages when find incompatible options.
+	 */
+	CopyToCheckIncompatibleOptions_function CopyToCheckIncompatibleOptions;
+
 	/*
 	 * Called when COPY TO is started. This will return a format as int16
 	 * value. It's used for the CopyOutResponse message.
-- 
2.41.0