Add pg{13,14,15} to support matrix

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        postgres: [ 16, 17 ]
+        postgres: [ 13, 14, 15, 16, 17 ]
     env:
       PG_MAJOR: ${{ matrix.postgres }}
 

Cargo.toml

@@ -13,8 +13,11 @@ path = "./src/bin/pgrx_embed.rs"
 
 [features]
 default = ["pg17"]
-pg16 = ["pgrx/pg16", "pgrx-tests/pg16" ]
 pg17 = ["pgrx/pg17", "pgrx-tests/pg17" ]
+pg16 = ["pgrx/pg16", "pgrx-tests/pg16" ]
+pg15 = ["pgrx/pg15", "pgrx-tests/pg15" ]
+pg14 = ["pgrx/pg14", "pgrx-tests/pg14" ]
+pg13 = ["pgrx/pg13", "pgrx-tests/pg13" ]
 pg_test = []
 
 [dependencies]

README.md

@@ -235,8 +235,11 @@ There is currently only one GUC parameter to enable/disable the `pg_parquet`:
 > Any type that does not have a corresponding Parquet type will be represented, as a fallback mechanism, as `BYTE_ARRAY` with `STRING` logical type. e.g. `enum`
 
 ## Postgres Support Matrix
-`pg_parquet` is tested with the following PostgreSQL versions:
+`pg_parquet` supports the following PostgreSQL versions:
 | PostgreSQL Major Version | Supported |
 |--------------------------|-----------|
-| 17                       |    ✅     |
+| 13                       |    ✅     |
+| 14                       |    ✅     |
+| 15                       |    ✅     |
 | 16                       |    ✅     |
+| 17                       |    ✅     |