Pg patches

ydb/docs/en/core/postgresql/docker-connect.md

@@ -32,8 +32,7 @@ To preserve the container's state, you need to remove the environment variable `
             - "YDB_USE_IN_MEMORY_PDISKS=true"
             - "POSTGRES_USER=${YDB_PG_USER:-root}"
             - "POSTGRES_PASSWORD=${YDB_PG_PASSWORD:-1234}"
-            - "YDB_FEATURE_FLAGS=enable_temp_tables,enable_table_pg_types"
-            - "YDB_TABLE_ENABLE_PREPARED_DDL=true"
+            - "YDB_EXPERIMENTAL_PG=1"
     ```
 
     Run:
@@ -44,7 +43,7 @@ To preserve the container's state, you need to remove the environment variable `
 - Docker command:
 
     ```bash
-    docker run --name ydb-postgres -d --pull always -p 5432:5432 -p 8765:8765 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=1234 -e YDB_FEATURE_FLAGS=enable_temp_tables -e YDB_TABLE_ENABLE_PREPARED_DDL=true -e YDB_USE_IN_MEMORY_PDISKS=true ghcr.io/ydb-platform/local-ydb:nightly
+    docker run --name ydb-postgres -d --pull always -p 5432:5432 -p 8765:8765 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=1234 -e YDB_EXPERIMENTAL_PG=1 -e YDB_USE_IN_MEMORY_PDISKS=true ghcr.io/ydb-platform/local-ydb:nightly
     ```
 
 {% endlist %}

ydb/docs/ru/core/postgresql/docker-connect.md

@@ -32,8 +32,7 @@
             - "YDB_USE_IN_MEMORY_PDISKS=true"
             - "POSTGRES_USER=${YDB_PG_USER:-root}"
             - "POSTGRES_PASSWORD=${YDB_PG_PASSWORD:-1234}"
-            - "YDB_FEATURE_FLAGS=enable_temp_tables,enable_table_pg_types"
-            - "YDB_TABLE_ENABLE_PREPARED_DDL=true"
+            - "YDB_EXPERIMENTAL_PG=1"
     ```
 
     запуск:
@@ -44,7 +43,7 @@
 - Docker-команда в одну строку
 
     ```bash
-    docker run --name ydb-postgres -d --pull always -p 5432:5432 -p 8765:8765 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=1234 -e YDB_FEATURE_FLAGS=enable_temp_tables -e YDB_TABLE_ENABLE_PREPARED_DDL=true -e YDB_USE_IN_MEMORY_PDISKS=true ghcr.io/ydb-platform/local-ydb:nightly
+    docker run --name ydb-postgres -d --pull always -p 5432:5432 -p 8765:8765 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=1234 -e YDB_EXPERIMENTAL_PG=1 -e YDB_USE_IN_MEMORY_PDISKS=true ghcr.io/ydb-platform/local-ydb:nightly
     ```
 
 {% endlist %}

ydb/library/yql/sql/pg/pg_sql.cpp

@@ -410,6 +410,7 @@ class TConverter : public IPGParseEvents {
                     "client_min_messages",                  // pg_dump
                     "row_security",                        // pg_dump
                     "escape_string_warning",               // zabbix
+                    "bytea_output",                        // zabbix
                     NULL,
                 };
 
@@ -2317,6 +2318,9 @@ class TConverter : public IPGParseEvents {
         if (varName == "server_version_num") {
             return GetPostgresServerVersionNum();
         }
+        if (varName == "standard_conforming_strings"){
+            return "on";
+        }
         return {};
     }
 

ydb/public/tools/lib/cmds/__init__.py

@@ -314,6 +314,9 @@ def deploy(arguments):
         for flag_name in flags:
             enable_feature_flags.append(flag_name)
 
+    if 'YDB_EXPERIMENTAL_PG' in os.environ:
+        optionals['pg_compatible_expirement'] = True
+
     configuration = KikimrConfigGenerator(
         parse_erasure(arguments),
         arguments.ydb_binary_path,

ydb/tests/library/harness/kikimr_config.py

@@ -159,7 +159,8 @@ def __init__(
             hive_config=None,
             datashard_config=None,
             enforce_user_token_requirement=False,
-            default_user_sid=None
+            default_user_sid=None,
+            pg_compatible_expirement=False,
     ):
         if extra_feature_flags is None:
             extra_feature_flags = []
@@ -376,6 +377,14 @@ def __init__(
         if default_user_sid:
             self.yaml_config["domains_config"]["security_config"]["default_user_sids"] = [default_user_sid]
 
+        if pg_compatible_expirement:
+            self.yaml_config["table_service_config"]["enable_prepared_ddl"] = True
+            # self.yaml_config["table_service_config"]["enable_ast_cache"] = True
+            # self.yaml_config["table_service_config"]["enable_pg_consts_to_params"] = True
+            self.yaml_config["table_service_config"]["index_auto_choose_mode"] = 'max_used_prefix'
+            self.yaml_config["feature_flags"]['enable_temp_tables'] = True
+            self.yaml_config["feature_flags"]['enable_table_pg_types'] = True
+
     @property
     def pdisks_info(self):
         return self._pdisks_info