Remove some missed PG13 references and update docs

CMakeLists.txt

@@ -301,13 +301,13 @@ if(WIN32)
   find_path(
     PG_PATH postgres.exe
     PATHS "C:/PostgreSQL" "C:/Program Files/PostgreSQL"
-    PATH_SUFFIXES bin 13/bin 14/bin 15/bin
+    PATH_SUFFIXES bin 14/bin 15/bin 16/bin
     DOC "The path to a PostgreSQL installation")
 elseif(UNIX)
   find_path(
     PG_PATH postgres
     PATHS $ENV{HOME} /opt/local/pgsql /usr/local/pgsql /usr/lib/postgresql
-    PATH_SUFFIXES bin 13/bin 14/bin 15/bin
+    PATH_SUFFIXES bin 14/bin 15/bin 16/bin
     DOC "The path to a PostgreSQL installation")
 endif()
 
@@ -349,10 +349,10 @@ message(
 
 # Ensure that PostgreSQL version is supported and consistent with src/compat.h
 # version check
-if((${PG_VERSION_MAJOR} LESS "13")
+if((${PG_VERSION_MAJOR} LESS "14")
    OR (${PG_VERSION_MAJOR} GREATER "16")
    AND NOT (${EXPERIMENTAL}))
-  message(FATAL_ERROR "TimescaleDB only supports PostgreSQL 13, 14, 15 and 16")
+  message(FATAL_ERROR "TimescaleDB only supports PostgreSQL 14, 15 and 16")
 endif()
 
 # Get PostgreSQL configuration from pg_config

docs/BuildSource.md

@@ -9,17 +9,17 @@ See the Releases tab for the latest release.
 
 **Prerequisites**:
 
-- A standard PostgreSQL 13.2+, 14, or 15 installation with development
-environment (header files) (e.g., `postgresql-server-dev-13` package
+- A standard PostgreSQL 14, 15 or 16 installation with development
+environment (header files) (e.g., `postgresql-server-dev-16` package
 for Linux, Postgres.app for MacOS)
 - C compiler (e.g., gcc or clang)
 - [CMake](https://cmake.org/) version 3.4 or greater
 
 ```bash
 git clone [email protected]:timescale/timescaledb.git
 cd timescaledb
-# Find the latest release and checkout, e.g. for 2.5.0:
-git checkout 2.5.0
+# Find the latest release and checkout, e.g. for 2.15.0:
+git checkout 2.15.0
 # Bootstrap the build system
 ./bootstrap
 # To build the extension
@@ -42,7 +42,7 @@ See the Releases tab for the latest release.
 
 **Prerequisites**:
 
-- A standard [PostgreSQL 13.2+, 14 or 15 64-bit installation](https://www.enterprisedb.com/downloads/postgres-postgresql-downloads#windows)
+- A standard [PostgreSQL 14, 15 or 16 64-bit installation](https://www.enterprisedb.com/downloads/postgres-postgresql-downloads#windows)
 - OpenSSL for Windows
 - Microsoft Visual Studio 2017 with CMake and Git components
 - OR Visual Studio 2015/2016 with [CMake](https://cmake.org/) version 3.4 or greater and Git
@@ -58,8 +58,8 @@ be built in the following way:
 git clone [email protected]:timescale/timescaledb.git
 cd timescaledb
 
-# Find the latest release and checkout, e.g. for 2.5.0:
-git checkout 2.5.0
+# Find the latest release and checkout, e.g. for 2.15.0:
+git checkout 2.15.0
 # Bootstrap the build system
 bootstrap.bat
 # To build the extension from command line

test/sql/CMakeLists.txt

@@ -18,6 +18,7 @@ set(TEST_FILES
     cursor.sql
     ddl.sql
     ddl_errors.sql
+    ddl_extra.sql
     delete.sql
     debug_utils.sql
     drop_extension.sql
@@ -52,10 +53,12 @@ set(TEST_FILES
     tablespace.sql
     triggers.sql
     truncate.sql
+    trusted_extension.sql
     update.sql
     upsert.sql
     util.sql
     vacuum.sql
+    vacuum_parallel.sql
     version.sql
     license.sql)
 
@@ -114,25 +117,15 @@ if(CMAKE_BUILD_TYPE MATCHES Debug)
   endif()
 endif(CMAKE_BUILD_TYPE MATCHES Debug)
 
-if((${PG_VERSION_MAJOR} GREATER_EQUAL "13"))
-  list(APPEND TEST_FILES trusted_extension.sql vacuum_parallel.sql)
-endif()
-
-if((${PG_VERSION_MAJOR} GREATER_EQUAL "14"))
-  list(APPEND TEST_FILES ddl_extra.sql)
-endif()
-
 if((${PG_VERSION_MAJOR} GREATER_EQUAL "15"))
   list(APPEND TEST_FILES merge.sql)
   list(APPEND TEST_TEMPLATES ts_merge.sql.in)
 endif()
 
-# pg_dump_unprivileged.sql was fixed by an upstream change to pg_dump in 13.14,
-# 14.11, 15.6, and 16.2
-if(((${PG_VERSION_MAJOR} EQUAL "13") AND (${PG_VERSION_MINOR} GREATER_EQUAL "14"
+# pg_dump_unprivileged.sql was fixed by an upstream change to pg_dump in 14.11,
+# 15.6, and 16.2
+if(((${PG_VERSION_MAJOR} EQUAL "14") AND (${PG_VERSION_MINOR} GREATER_EQUAL "11"
                                          ))
-   OR ((${PG_VERSION_MAJOR} EQUAL "14") AND (${PG_VERSION_MINOR} GREATER_EQUAL
-                                             "11"))
    OR ((${PG_VERSION_MAJOR} EQUAL "15") AND (${PG_VERSION_MINOR} GREATER_EQUAL
                                              "6"))
    OR ((${PG_VERSION_MAJOR} EQUAL "16") AND (${PG_VERSION_MINOR} GREATER_EQUAL