From b848f0fd6e02b503a7ed01f68bf0ae9f3d84763b Mon Sep 17 00:00:00 2001
From: Ildar Nurislamov <absorbb@gmail.com>
Date: Thu, 2 May 2024 15:25:39 +0400
Subject: [PATCH] Revert "bulker: introduced maxColumnsCount limit"

This reverts commit 4ff0929eab4daaf88172a99b3b76e6608afcdd13.
---
 bulkerlib/implementations/sql/abstract.go     |  4 +-
 bulkerlib/implementations/sql/options.go      | 12 +-----
 .../implementations/sql/schema_freeze_test.go | 37 -------------------
 bulkerlib/options.go                          |  4 --
 4 files changed, 2 insertions(+), 55 deletions(-)

diff --git a/bulkerlib/implementations/sql/abstract.go b/bulkerlib/implementations/sql/abstract.go
index bcd4b7c..5eafe66 100644
--- a/bulkerlib/implementations/sql/abstract.go
+++ b/bulkerlib/implementations/sql/abstract.go
@@ -26,7 +26,6 @@ type AbstractSQLStream struct {
 	mergeWindow       int
 	omitNils          bool
 	schemaFreeze      bool
-	maxColumnsCount   int
 	schemaFromOptions *Table
 
 	state  bulker.State
@@ -59,7 +58,6 @@ func newAbstractStream(id string, p SQLAdapter, tableName string, mode bulker.Bu
 	ps.timestampColumn = bulker.TimestampOption.Get(&ps.options)
 	ps.omitNils = OmitNilsOption.Get(&ps.options)
 	ps.schemaFreeze = SchemaFreezeOption.Get(&ps.options)
-	ps.maxColumnsCount = MaxColumnsCount.Get(&ps.options)
 
 	schema := bulker.SchemaOption.Get(&ps.options)
 	if !schema.IsEmpty() {
@@ -139,7 +137,7 @@ func (ps *AbstractSQLStream) adjustTableColumnTypes(currentTable, existingTable,
 			existingCol, ok = existingTable.Columns[name]
 		}
 		if !ok {
-			if ps.schemaFreeze || len(current) >= ps.maxColumnsCount {
+			if ps.schemaFreeze {
 				// when schemaFreeze=true all new columns values go to _unmapped_data
 				v, ok := values[name]
 				if ok {
diff --git a/bulkerlib/implementations/sql/options.go b/bulkerlib/implementations/sql/options.go
index 81d1b67..d693169 100644
--- a/bulkerlib/implementations/sql/options.go
+++ b/bulkerlib/implementations/sql/options.go
@@ -54,12 +54,6 @@ var (
 		ParseFunc:    utils.ParseBool,
 	}
 
-	MaxColumnsCount = bulker.ImplementationOption[int]{
-		Key:          "maxColumnsCount",
-		DefaultValue: 1500,
-		ParseFunc:    utils.ParseInt,
-	}
-
 	localBatchFileOption = bulker.ImplementationOption[string]{Key: "BULKER_OPTION_LOCAL_BATCH_FILE"}
 
 	s3BatchFileOption = bulker.ImplementationOption[*S3OptionConfig]{Key: "BULKER_OPTION_S3_BATCH_FILE"}
@@ -70,7 +64,7 @@ func init() {
 	bulker.RegisterOption(&ColumnTypesOption)
 	bulker.RegisterOption(&OmitNilsOption)
 	bulker.RegisterOption(&SchemaFreezeOption)
-	bulker.RegisterOption(&MaxColumnsCount)
+
 }
 
 type S3OptionConfig struct {
@@ -97,10 +91,6 @@ func WithDeduplicateWindow(deduplicateWindow int) bulker.StreamOption {
 	return bulker.WithOption(&DeduplicateWindow, deduplicateWindow)
 }
 
-func WithMaxColumnsCount(maxColumnsCount int) bulker.StreamOption {
-	return bulker.WithOption(&MaxColumnsCount, maxColumnsCount)
-}
-
 func withColumnTypes(o *bulker.ImplementationOption[types.SQLTypes], fields types.SQLTypes) bulker.StreamOption {
 	return func(options *bulker.StreamOptions) {
 		sqlTypes := o.Get(options)
diff --git a/bulkerlib/implementations/sql/schema_freeze_test.go b/bulkerlib/implementations/sql/schema_freeze_test.go
index 95fa349..67533a5 100644
--- a/bulkerlib/implementations/sql/schema_freeze_test.go
+++ b/bulkerlib/implementations/sql/schema_freeze_test.go
@@ -73,40 +73,3 @@ func TestSchemaFreeze(t *testing.T) {
 		sequentialGroup.Add(1)
 	}
 }
-
-func TestMaxColumns(t *testing.T) {
-	t.Parallel()
-	tests := []bulkerTestConfig{
-		{
-			name:                "added_columns_first_run",
-			tableName:           "schema_freeze_test",
-			modes:               []bulker.BulkMode{bulker.Batch, bulker.Stream},
-			leaveResultingTable: true,
-			dataFile:            "test_data/columns_added.ndjson",
-			expectedTable: ExpectedTable{
-				Columns: justColumns("_timestamp", "column1", "_unmapped_data", "id", "name"),
-			},
-			expectedRows: []map[string]any{
-				{"_timestamp": constantTime, "id": 1, "name": "test", "column1": nil, "_unmapped_data": nil},
-				{"_timestamp": constantTime, "id": 2, "name": "test2", "column1": "data", "_unmapped_data": nil},
-				{"_timestamp": constantTime, "id": 3, "name": "test3", "column1": "data", "_unmapped_data": "{\"column2\": \"data\"}"},
-				{"_timestamp": constantTime, "id": 4, "name": "test2", "column1": "data", "_unmapped_data": nil},
-				{"_timestamp": constantTime, "id": 5, "name": "test", "column1": nil, "_unmapped_data": nil},
-				{"_timestamp": constantTime, "id": 6, "name": "test4", "column1": "data", "_unmapped_data": "{\"column2\": \"data\", \"column3\": \"data\"}"},
-			},
-			batchSize:     2,
-			streamOptions: []bulker.StreamOption{WithMaxColumnsCount(4)},
-			configIds:     utils.ArrayIntersection(allBulkerConfigs, []string{PostgresBulkerTypeId, MySQLBulkerTypeId}),
-		},
-	}
-	sequentialGroup := sync.WaitGroup{}
-	sequentialGroup.Add(1)
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			runTestConfig(t, tt, testStream)
-			sequentialGroup.Done()
-		})
-		sequentialGroup.Wait()
-		sequentialGroup.Add(1)
-	}
-}
diff --git a/bulkerlib/options.go b/bulkerlib/options.go
index c4825b3..04c74e7 100644
--- a/bulkerlib/options.go
+++ b/bulkerlib/options.go
@@ -214,10 +214,6 @@ func withPrimaryKey(o *ImplementationOption[utils.Set[string]], pkFields ...stri
 	}
 }
 
-func WithBatchSize(batchSize int) StreamOption {
-	return WithOption(&BatchSizeOption, batchSize)
-}
-
 func WithPrimaryKey(pkFields ...string) StreamOption {
 	return withPrimaryKey(&PrimaryKeyOption, pkFields...)
 }