Error message refactoring

Take some untranslatable things out of the message and replace by
format placeholders, to reduce translatable strings and reduce
translation mistakes.

src/backend/replication/logical/logical.c

@@ -865,7 +865,8 @@ begin_prepare_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn)
 	if (ctx->callbacks.begin_prepare_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical replication at prepare time requires begin_prepare_cb callback")));
+				 errmsg("logical replication at prepare time requires a %s callback",
+						"begin_prepare_cb")));
 
 	/* do the actual work: call callback */
 	ctx->callbacks.begin_prepare_cb(ctx, txn);
@@ -908,7 +909,8 @@ prepare_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.prepare_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical replication at prepare time requires prepare_cb callback")));
+				 errmsg("logical replication at prepare time requires a %s callback",
+						"prepare_cb")));
 
 	/* do the actual work: call callback */
 	ctx->callbacks.prepare_cb(ctx, txn, prepare_lsn);
@@ -951,7 +953,8 @@ commit_prepared_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.commit_prepared_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical replication at prepare time requires commit_prepared_cb callback")));
+				 errmsg("logical replication at prepare time requires a %s callback",
+						"commit_prepared_cb")));
 
 	/* do the actual work: call callback */
 	ctx->callbacks.commit_prepared_cb(ctx, txn, commit_lsn);
@@ -995,7 +998,8 @@ rollback_prepared_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.rollback_prepared_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical replication at prepare time requires rollback_prepared_cb callback")));
+				 errmsg("logical replication at prepare time requires a %s callback",
+						"rollback_prepared_cb")));
 
 	/* do the actual work: call callback */
 	ctx->callbacks.rollback_prepared_cb(ctx, txn, prepare_end_lsn,
@@ -1217,7 +1221,8 @@ stream_start_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.stream_start_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical streaming requires a stream_start_cb callback")));
+				 errmsg("logical streaming requires a %s callback",
+						"stream_start_cb")));
 
 	ctx->callbacks.stream_start_cb(ctx, txn);
 
@@ -1263,7 +1268,8 @@ stream_stop_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.stream_stop_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical streaming requires a stream_stop_cb callback")));
+				 errmsg("logical streaming requires a %s callback",
+						"stream_stop_cb")));
 
 	ctx->callbacks.stream_stop_cb(ctx, txn);
 
@@ -1302,7 +1308,8 @@ stream_abort_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.stream_abort_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical streaming requires a stream_abort_cb callback")));
+				 errmsg("logical streaming requires a %s callback",
+						"stream_abort_cb")));
 
 	ctx->callbacks.stream_abort_cb(ctx, txn, abort_lsn);
 
@@ -1345,7 +1352,8 @@ stream_prepare_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.stream_prepare_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical streaming at prepare time requires a stream_prepare_cb callback")));
+				 errmsg("logical streaming at prepare time requires a %s callback",
+						"stream_prepare_cb")));
 
 	ctx->callbacks.stream_prepare_cb(ctx, txn, prepare_lsn);
 
@@ -1384,7 +1392,8 @@ stream_commit_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.stream_commit_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical streaming requires a stream_commit_cb callback")));
+				 errmsg("logical streaming requires a %s callback",
+						"stream_commit_cb")));
 
 	ctx->callbacks.stream_commit_cb(ctx, txn, commit_lsn);
 
@@ -1430,7 +1439,8 @@ stream_change_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	if (ctx->callbacks.stream_change_cb == NULL)
 		ereport(ERROR,
 				(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
-				 errmsg("logical streaming requires a stream_change_cb callback")));
+				 errmsg("logical streaming requires a %s callback",
+						"stream_change_cb")));
 
 	ctx->callbacks.stream_change_cb(ctx, txn, relation, change);
 

src/backend/statistics/extended_stats.c

@@ -2274,7 +2274,8 @@ serialize_expr_stats(AnlExprData *exprdata, int nexprs)
 	if (!OidIsValid(typOid))
 		ereport(ERROR,
 				(errcode(ERRCODE_WRONG_OBJECT_TYPE),
-				 errmsg("relation \"pg_statistic\" does not have a composite type")));
+				 errmsg("relation \"%s\" does not have a composite type",
+						"pg_statistic")));
 
 	for (exprno = 0; exprno < nexprs; exprno++)
 	{

src/backend/utils/adt/numeric.c

@@ -4182,11 +4182,11 @@ numeric_int4_opt_error(Numeric num, bool *have_error)
 			if (NUMERIC_IS_NAN(num))
 				ereport(ERROR,
 						(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-						 errmsg("cannot convert NaN to integer")));
+						 errmsg("cannot convert NaN to %s", "integer")));
 			else
 				ereport(ERROR,
 						(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-						 errmsg("cannot convert infinity to integer")));
+						 errmsg("cannot convert infinity to %s", "integer")));
 		}
 	}
 
@@ -4260,11 +4260,11 @@ numeric_int8(PG_FUNCTION_ARGS)
 		if (NUMERIC_IS_NAN(num))
 			ereport(ERROR,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-					 errmsg("cannot convert NaN to bigint")));
+					 errmsg("cannot convert NaN to %s", "bigint")));
 		else
 			ereport(ERROR,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-					 errmsg("cannot convert infinity to bigint")));
+					 errmsg("cannot convert infinity to %s", "bigint")));
 	}
 
 	/* Convert to variable format and thence to int8 */
@@ -4301,11 +4301,11 @@ numeric_int2(PG_FUNCTION_ARGS)
 		if (NUMERIC_IS_NAN(num))
 			ereport(ERROR,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-					 errmsg("cannot convert NaN to smallint")));
+					 errmsg("cannot convert NaN to %s", "smallint")));
 		else
 			ereport(ERROR,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-					 errmsg("cannot convert infinity to smallint")));
+					 errmsg("cannot convert infinity to %s", "smallint")));
 	}
 
 	/* Convert to variable format and thence to int8 */
@@ -4496,11 +4496,11 @@ numeric_pg_lsn(PG_FUNCTION_ARGS)
 		if (NUMERIC_IS_NAN(num))
 			ereport(ERROR,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-					 errmsg("cannot convert NaN to pg_lsn")));
+					 errmsg("cannot convert NaN to %s", "pg_lsn")));
 		else
 			ereport(ERROR,
 					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-					 errmsg("cannot convert infinity to pg_lsn")));
+					 errmsg("cannot convert infinity to %s", "pg_lsn")));
 	}
 
 	/* Convert to variable format and thence to pg_lsn */