Solve some build issues for EL8 and Postgis < 3.4

Makefile

@@ -8,6 +8,8 @@ ENVFILE ?= .devcontainer/.env
 include $(ENVFILE)
 export
 
+IS_EL8 := $(shell grep -q 'PLATFORM_ID="platform:el8"' /etc/os-release 2>/dev/null && echo "true" || echo "false")
+
 PG_CONFIG ?= pg_config
 
 PG_MAJOR ?= $(shell $(PG_CONFIG) --version | cut -d '.' -f 1 | cut -d ' ' -f 2)
@@ -59,7 +61,9 @@ check-s3: build stop-minio start-minio
 	cargo pgrx test pg$(PG_MAJOR) test_s3 --no-default-features
 
 check-azure: build stop-azurite start-azurite
+ifeq ($(IS_EL8),false)
 	cargo pgrx test pg$(PG_MAJOR) test_azure --no-default-features
+endif
 
 check-gcs: build stop-fake-gcs start-fake-gcs
 	cargo pgrx test pg$(PG_MAJOR) test_gcs --no-default-features
@@ -98,6 +102,7 @@ stop-minio: stop-mitmdump
 	docker stop minio || true
 
 start-azurite:
+ifeq ($(IS_EL8),false)
 	docker run --rm -d \
 	  --name azurite \
 	  --env-file $(ENVFILE) \
@@ -111,9 +116,12 @@ start-azurite:
 
 	az storage container create -n ${AZURE_TEST_CONTAINER_NAME} --connection-string ${AZURE_STORAGE_CONNECTION_STRING}
 	az storage container create -n ${AZURE_TEST_CONTAINER_NAME}2 --connection-string ${AZURE_STORAGE_CONNECTION_STRING}
+endif
 
 stop-azurite:
+ifeq ($(IS_EL8),false)
 	docker stop azurite || true
+endif
 
 start-fake-gcs:
 	# tusvold/fake-gcs-server is not available for ARM64, so we build it from source

build.rs

@@ -0,0 +1,15 @@
+use std::process::Command;
+
+fn main() {
+    println!("cargo::rustc-check-cfg=cfg(rhel8)");
+    let output = Command::new("cat")
+        .arg("/etc/os-release")
+        .output()
+        .expect("Failed to execute command");
+
+    let os_info = String::from_utf8(output.stdout).unwrap();
+
+    if os_info.contains("platform:el8") {
+        println!("cargo::rustc-cfg=rhel8");
+    }
+}

src/pgrx_tests/common.rs

@@ -8,6 +8,7 @@ use crate::type_compat::map::Map;
 use arrow::array::RecordBatch;
 use arrow_schema::SchemaRef;
 use parquet::arrow::ArrowWriter;
+use pgrx::spi;
 use pgrx::{
     datum::{Time, TimeWithTimeZone},
     FromDatum, IntoDatum, Spi,
@@ -345,8 +346,18 @@ pub(crate) fn timetz_array_to_utc_time_array(
 }
 
 pub(crate) fn extension_exists(extension_name: &str) -> bool {
+    let quoted_extension = spi::quote_literal(extension_name);
     let query =
-        format!("select count(*) = 1 from pg_available_extensions where name = '{extension_name}'");
+        format!("select count(*) = 1 from pg_available_extensions where name = {quoted_extension}");
+
+    Spi::get_one(&query).unwrap().unwrap()
+}
+
+pub(crate) fn extension_version(extension_name: &str) -> String {
+    let quoted_extension = spi::quote_literal(extension_name);
+    let query = format!(
+        "select default_version from pg_available_extensions where name = {quoted_extension}"
+    );
 
     Spi::get_one(&query).unwrap().unwrap()
 }

src/pgrx_tests/copy_type_roundtrip.rs

@@ -4,8 +4,8 @@ mod tests {
 
     use crate::pgrx_tests::common::{
         assert_double, assert_float, assert_int_text_map, assert_json, assert_jsonb,
-        extension_exists, timetz_array_to_utc_time_array, timetz_to_utc_time, TestResult,
-        TestTable, LOCAL_TEST_FILE_PATH,
+        extension_exists, extension_version, timetz_array_to_utc_time_array, timetz_to_utc_time,
+        TestResult, TestTable, LOCAL_TEST_FILE_PATH,
     };
     use crate::type_compat::fallback_to_text::FallbackToText;
     use crate::type_compat::geometry::{
@@ -1038,7 +1038,7 @@ mod tests {
     #[pg_test]
     fn test_geometry() {
         // Skip the test if postgis extension is not available
-        if !extension_exists("postgis") {
+        if !extension_exists("postgis") || *extension_version("postgis") < *"3.4" {
             return;
         }
 
@@ -1056,7 +1056,7 @@ mod tests {
     #[pg_test]
     fn test_geometry_array() {
         // Skip the test if postgis extension is not available
-        if !extension_exists("postgis") {
+        if !extension_exists("postgis") || *extension_version("postgis") < *"3.4" {
             return;
         }
 
@@ -1071,7 +1071,7 @@ mod tests {
     #[pg_test]
     fn test_geometry_geoparquet_metadata() {
         // Skip the test if postgis extension is not available
-        if !extension_exists("postgis") {
+        if !extension_exists("postgis") || *extension_version("postgis") < *"3.4" {
             return;
         }
 

src/pgrx_tests/object_store.rs

@@ -258,6 +258,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_s3_temporary_token() {
         object_store_cache_clear();
 
@@ -340,6 +341,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_azure_blob_from_env() {
         object_store_cache_clear();
 
@@ -367,6 +369,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_azure_from_config_file() {
         object_store_cache_clear();
 
@@ -413,6 +416,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_azure_from_env_via_connection_string() {
         object_store_cache_clear();
 
@@ -441,6 +445,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_azure_from_config_via_connection_string() {
         object_store_cache_clear();
 
@@ -484,6 +489,7 @@ mod tests {
 
     #[pg_test]
     #[should_panic(expected = "Account must be specified")]
+    #[cfg(not(rhel8))]
     fn test_azure_no_storage_account() {
         object_store_cache_clear();
 
@@ -505,6 +511,7 @@ mod tests {
 
     #[pg_test]
     #[should_panic(expected = "403 Forbidden")]
+    #[cfg(not(rhel8))]
     fn test_azure_wrong_storage_key() {
         object_store_cache_clear();
 
@@ -531,6 +538,7 @@ mod tests {
 
     #[pg_test]
     #[should_panic(expected = "404 Not Found")]
+    #[cfg(not(rhel8))]
     fn test_azure_write_wrong_container() {
         object_store_cache_clear();
 
@@ -547,6 +555,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_azure_read_write_sas() {
         object_store_cache_clear();
 
@@ -575,6 +584,7 @@ mod tests {
 
     #[pg_test]
     #[should_panic(expected = "403 Forbidden")]
+    #[cfg(not(rhel8))]
     fn test_azure_read_only_sas() {
         object_store_cache_clear();
 
@@ -603,6 +613,7 @@ mod tests {
 
     #[pg_test]
     #[should_panic(expected = "could not open file")]
+    #[cfg(not(rhel8))]
     fn test_azure_unsupported_uri() {
         object_store_cache_clear();
 
@@ -707,6 +718,7 @@ mod tests {
     }
 
     #[pg_test]
+    #[cfg(not(rhel8))]
     fn test_object_store_cache() {
         object_store_cache_clear();