From f4b18b395454003f539496e2214dd3031095a476 Mon Sep 17 00:00:00 2001
From: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Date: Wed, 15 Nov 2023 15:59:17 +0800
Subject: [PATCH] config(ticdc): change case-sensitive default value (#10049)
 (#10075)

close pingcap/tiflow#10047
---
 cdc/api/v2/model_test.go                | 2 +-
 cdc/model/changefeed_test.go            | 2 +-
 pkg/config/replica_config.go            | 2 +-
 tests/integration_tests/api_v2/cases.go | 2 +-
 tests/integration_tests/cli/run.sh      | 4 ++--
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/cdc/api/v2/model_test.go b/cdc/api/v2/model_test.go
index f04fa1386fd..d29d811d1b1 100644
--- a/cdc/api/v2/model_test.go
+++ b/cdc/api/v2/model_test.go
@@ -30,7 +30,7 @@ import (
 // note: this is api published default value, not change it
 var defaultAPIConfig = &ReplicaConfig{
 	MemoryQuota:        config.DefaultChangefeedMemoryQuota,
-	CaseSensitive:      true,
+	CaseSensitive:      false,
 	EnableOldValue:     true,
 	CheckGCSafePoint:   true,
 	EnableSyncPoint:    false,
diff --git a/cdc/model/changefeed_test.go b/cdc/model/changefeed_test.go
index c1dd632b375..a13c9890c30 100644
--- a/cdc/model/changefeed_test.go
+++ b/cdc/model/changefeed_test.go
@@ -146,7 +146,7 @@ func TestVerifyAndComplete(t *testing.T) {
 		StartTs: 417257993615179777,
 		Config: &config.ReplicaConfig{
 			MemoryQuota:        1073741824,
-			CaseSensitive:      true,
+			CaseSensitive:      false,
 			EnableOldValue:     true,
 			CheckGCSafePoint:   true,
 			SyncPointInterval:  time.Minute * 10,
diff --git a/pkg/config/replica_config.go b/pkg/config/replica_config.go
index 6dde6c2df06..dbc5ce24d7c 100644
--- a/pkg/config/replica_config.go
+++ b/pkg/config/replica_config.go
@@ -38,7 +38,7 @@ const (
 
 var defaultReplicaConfig = &ReplicaConfig{
 	MemoryQuota:        DefaultChangefeedMemoryQuota,
-	CaseSensitive:      true,
+	CaseSensitive:      false,
 	EnableOldValue:     true,
 	CheckGCSafePoint:   true,
 	EnableSyncPoint:    false,
diff --git a/tests/integration_tests/api_v2/cases.go b/tests/integration_tests/api_v2/cases.go
index e5d90e4e88a..926f5a77156 100644
--- a/tests/integration_tests/api_v2/cases.go
+++ b/tests/integration_tests/api_v2/cases.go
@@ -101,7 +101,7 @@ var customReplicaConfig = &ReplicaConfig{
 // defaultReplicaConfig check if the default values is changed
 var defaultReplicaConfig = &ReplicaConfig{
 	MemoryQuota:        1024 * 1024 * 1024,
-	CaseSensitive:      true,
+	CaseSensitive:      false,
 	EnableOldValue:     true,
 	CheckGCSafePoint:   true,
 	EnableSyncPoint:    false,
diff --git a/tests/integration_tests/cli/run.sh b/tests/integration_tests/cli/run.sh
index a412bb6b405..28c12c81f64 100644
--- a/tests/integration_tests/cli/run.sh
+++ b/tests/integration_tests/cli/run.sh
@@ -69,7 +69,7 @@ function run() {
 
 	# Update changefeed failed because changefeed is running
 	cat - >"$WORK_DIR/changefeed.toml" <<EOF
-case-sensitive = false
+case-sensitive = true
 EOF
 	set +e
 	update_result=$(cdc cli changefeed update --pd=$pd_addr --config="$WORK_DIR/changefeed.toml" --no-confirm --changefeed-id $uuid)
@@ -85,7 +85,7 @@ EOF
 	# Update changefeed
 	run_cdc_cli changefeed update --pd=$pd_addr --config="$WORK_DIR/changefeed.toml" --no-confirm --changefeed-id $uuid
 	changefeed_info=$(curl -X GET "http://127.0.0.1:8300/api/v2/changefeeds/$uuid/meta_info" 2>&1)
-	if [[ ! $changefeed_info == *"\"case_sensitive\":false"* ]]; then
+	if [[ ! $changefeed_info == *"\"case_sensitive\":true"* ]]; then
 		echo "[$(date)] <<<<< changefeed info is not updated as expected ${changefeed_info} >>>>>"
 		exit 1
 	fi