From 1b54f329106b1bd47c3b4820b826519a83fa031e Mon Sep 17 00:00:00 2001
From: shekharrajak <shekharrajak@live.com>
Date: Sat, 7 Feb 2026 12:56:24 +0530
Subject: [PATCH 1/4] feat(playground): add SQL catalog support

---
 Cargo.lock                                    |   3 +
 crates/integrations/playground/Cargo.toml     |   5 +
 crates/integrations/playground/src/catalog.rs | 119 +++++++++++++++++-
 3 files changed, 121 insertions(+), 6 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 054de94e68..a1ef734a24 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3591,13 +3591,16 @@ dependencies = [
  "home",
  "iceberg",
  "iceberg-catalog-rest",
+ "iceberg-catalog-sql",
  "iceberg-datafusion",
  "mimalloc",
+ "sqlx",
  "stacker",
  "tokio",
  "toml",
  "tracing",
  "tracing-subscriber",
+ "uuid",
 ]
 
 [[package]]
diff --git a/crates/integrations/playground/Cargo.toml b/crates/integrations/playground/Cargo.toml
index 3f6774be19..28878ae46a 100644
--- a/crates/integrations/playground/Cargo.toml
+++ b/crates/integrations/playground/Cargo.toml
@@ -36,7 +36,9 @@ fs-err = { workspace = true }
 home = { workspace = true }
 iceberg = { workspace = true }
 iceberg-catalog-rest = { workspace = true }
+iceberg-catalog-sql = { workspace = true }
 iceberg-datafusion = { workspace = true }
+sqlx = { workspace = true, features = ["runtime-tokio", "sqlite", "migrate"] }
 mimalloc = { workspace = true }
 stacker = { workspace = true }
 tokio = { workspace = true }
@@ -44,6 +46,9 @@ toml = { workspace = true }
 tracing = { workspace = true }
 tracing-subscriber = { workspace = true }
 
+[dev-dependencies]
+uuid = { workspace = true, features = ["v4"] }
+
 [package.metadata.cargo-machete]
 # These dependencies are added to ensure minimal dependency version
 ignored = ["stacker", "mimalloc", "home"]
diff --git a/crates/integrations/playground/src/catalog.rs b/crates/integrations/playground/src/catalog.rs
index f7fd14ca84..df689355a8 100644
--- a/crates/integrations/playground/src/catalog.rs
+++ b/crates/integrations/playground/src/catalog.rs
@@ -25,6 +25,7 @@ use datafusion::catalog::{CatalogProvider, CatalogProviderList};
 use fs_err::read_to_string;
 use iceberg::CatalogBuilder;
 use iceberg_catalog_rest::RestCatalogBuilder;
+use iceberg_catalog_sql::SqlCatalogBuilder;
 use iceberg_datafusion::IcebergCatalogProvider;
 use toml::{Table as TomlTable, Value};
 
@@ -78,10 +79,6 @@ impl IcebergCatalogList {
             .as_str()
             .ok_or_else(|| anyhow::anyhow!("type is not string"))?;
 
-        if r#type != "rest" {
-            return Err(anyhow::anyhow!("Only rest catalog is supported for now!"));
-        }
-
         let catalog_config = config
             .get("config")
             .ok_or_else(|| anyhow::anyhow!("config not found for catalog {name}"))?
@@ -96,11 +93,21 @@ impl IcebergCatalogList {
                 .ok_or_else(|| anyhow::anyhow!("props {key} is not string"))?;
             props.insert(key.to_string(), value_str.to_string());
         }
-        let catalog = RestCatalogBuilder::default().load(name, props).await?;
+
+        // Create catalog based on type using the appropriate builder
+        let catalog: Arc<dyn iceberg::Catalog> = match r#type {
+            "rest" => Arc::new(RestCatalogBuilder::default().load(name, props).await?),
+            "sql" => Arc::new(SqlCatalogBuilder::default().load(name, props).await?),
+            _ => {
+                return Err(anyhow::anyhow!(
+                    "Unsupported catalog type: '{type}'. Supported types: rest, sql"
+                ));
+            }
+        };
 
         Ok((
             name.to_string(),
-            Arc::new(IcebergCatalogProvider::try_new(Arc::new(catalog)).await?),
+            Arc::new(IcebergCatalogProvider::try_new(catalog).await?),
         ))
     }
 }
@@ -129,3 +136,103 @@ impl CatalogProviderList for IcebergCatalogList {
             .map(|c| c.clone() as Arc<dyn CatalogProvider>)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use sqlx::migrate::MigrateDatabase;
+
+    use super::*;
+
+    fn temp_path() -> String {
+        let uuid = uuid::Uuid::new_v4();
+        format!("/tmp/iceberg-test-{}", uuid)
+    }
+
+    #[tokio::test]
+    async fn test_parse_sql_catalog() {
+        let db_path = temp_path();
+        let sql_uri = format!("sqlite:{db_path}");
+
+        // Create the SQLite database file first
+        sqlx::Sqlite::create_database(&sql_uri).await.unwrap();
+
+        let config = format!(
+            r#"
+            [[catalogs]]
+            name = "test_sql"
+            type = "sql"
+            [catalogs.config]
+            uri = "{sql_uri}"
+            warehouse = "/tmp/sql-warehouse"
+        "#
+        );
+
+        let toml_table: TomlTable = toml::from_str(&config).unwrap();
+        let catalog_list = IcebergCatalogList::parse_table(&toml_table).await.unwrap();
+
+        assert!(
+            catalog_list
+                .catalog_names()
+                .contains(&"test_sql".to_string())
+        );
+        assert!(catalog_list.catalog("test_sql").is_some());
+    }
+
+    #[tokio::test]
+    async fn test_parse_unsupported_catalog_type() {
+        let config = r#"
+            [[catalogs]]
+            name = "test_hive"
+            type = "hive"
+            [catalogs.config]
+            uri = "thrift://localhost:9083"
+        "#;
+
+        let toml_table: TomlTable = toml::from_str(config).unwrap();
+        let result = IcebergCatalogList::parse_table(&toml_table).await;
+
+        assert!(result.is_err());
+        let err_msg = result.unwrap_err().to_string();
+        assert!(err_msg.contains("Unsupported catalog type"));
+        assert!(err_msg.contains("hive"));
+        assert!(err_msg.contains("rest, sql"));
+    }
+
+    #[tokio::test]
+    async fn test_catalog_names() {
+        let db_path1 = temp_path();
+        let db_path2 = temp_path();
+        let sql_uri1 = format!("sqlite:{db_path1}");
+        let sql_uri2 = format!("sqlite:{db_path2}");
+
+        // Create SQLite database files first
+        sqlx::Sqlite::create_database(&sql_uri1).await.unwrap();
+        sqlx::Sqlite::create_database(&sql_uri2).await.unwrap();
+
+        let config = format!(
+            r#"
+            [[catalogs]]
+            name = "catalog_one"
+            type = "sql"
+            [catalogs.config]
+            uri = "{sql_uri1}"
+            warehouse = "/tmp/warehouse1"
+
+            [[catalogs]]
+            name = "catalog_two"
+            type = "sql"
+            [catalogs.config]
+            uri = "{sql_uri2}"
+            warehouse = "/tmp/warehouse2"
+        "#
+        );
+
+        let toml_table: TomlTable = toml::from_str(&config).unwrap();
+        let catalog_list = IcebergCatalogList::parse_table(&toml_table).await.unwrap();
+
+        let names = catalog_list.catalog_names();
+        assert_eq!(names.len(), 2);
+        assert!(names.contains(&"catalog_one".to_string()));
+        assert!(names.contains(&"catalog_two".to_string()));
+    }
+}

From cbd87e51e58c744b470e8d196598750a5c42a989 Mon Sep 17 00:00:00 2001
From: shekharrajak <shekharrajak@live.com>
Date: Tue, 17 Feb 2026 10:09:47 +0530
Subject: [PATCH 2/4] fix: inline format args for clippy compliance

---
 crates/integrations/playground/src/catalog.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/integrations/playground/src/catalog.rs b/crates/integrations/playground/src/catalog.rs
index df689355a8..c00049f214 100644
--- a/crates/integrations/playground/src/catalog.rs
+++ b/crates/integrations/playground/src/catalog.rs
@@ -145,7 +145,7 @@ mod tests {
 
     fn temp_path() -> String {
         let uuid = uuid::Uuid::new_v4();
-        format!("/tmp/iceberg-test-{}", uuid)
+        format!("/tmp/iceberg-test-{uuid}")
     }
 
     #[tokio::test]

From bf645e6fe61d71282f3f699db2ec0d8b42b1e9de Mon Sep 17 00:00:00 2001
From: shekharrajak <shekharrajak@live.com>
Date: Tue, 24 Feb 2026 10:26:44 +0530
Subject: [PATCH 3/4] Merge upstream/main into feat/playground-sql-catalog

Combines SQL catalog support (from feature branch) with memory catalog
support (from upstream main). Both catalog types are now supported:
- rest
- sql
- memory
---
 .github/workflows/audit.yml                   |   3 +
 .github/workflows/bindings_python_ci.yml      |   6 +-
 .github/workflows/ci.yml                      |   7 +
 .github/workflows/ci_typos.yml                |   5 +-
 .github/workflows/codeql.yml                  |  54 +++++
 .github/workflows/publish.yml                 |   5 +-
 .github/workflows/release_python.yml          |   8 +-
 .github/workflows/release_python_nightly.yml  |   1 +
 .github/workflows/stale.yml                   |   2 +-
 .github/workflows/website.yml                 |   3 +
 Cargo.lock                                    | 208 ++++++++++++++++--
 crates/integrations/playground/src/catalog.rs |  50 +++--
 12 files changed, 303 insertions(+), 49 deletions(-)
 create mode 100644 .github/workflows/codeql.yml

diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index a86c58e5c7..abe0c377c5 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -36,6 +36,9 @@ on:
   schedule:
     - cron: '0 0 * * *'
 
+permissions:
+  contents: read
+
 jobs:
   security_audit:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/bindings_python_ci.yml b/.github/workflows/bindings_python_ci.yml
index ed2c03b763..a78f27b0b1 100644
--- a/.github/workflows/bindings_python_ci.yml
+++ b/.github/workflows/bindings_python_ci.yml
@@ -40,6 +40,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   check-rust:
     runs-on: ubuntu-latest
@@ -75,6 +78,7 @@ jobs:
   test:
     runs-on: ${{ matrix.os }}
     strategy:
+      max-parallel: 15
       matrix:
         os:
           - ubuntu-latest
@@ -89,7 +93,7 @@ jobs:
         with:
           working-directory: "bindings/python"
           command: build
-          args: --out dist --sdist
+          args: --out dist
       - uses: astral-sh/setup-uv@v7
         with:
           version: "0.9.3"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fe7476a80e..ea2257b676 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,10 +40,14 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   check:
     runs-on: ${{ matrix.os }}
     strategy:
+      max-parallel: 15
       matrix:
         os:
           - ubuntu-latest
@@ -80,6 +84,7 @@ jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
+      max-parallel: 15
       matrix:
         os:
           - ubuntu-latest
@@ -105,6 +110,7 @@ jobs:
   build_with_no_default_features:
     runs-on: ${{ matrix.os }}
     strategy:
+      max-parallel: 15
       matrix:
         os:
           - ubuntu-latest
@@ -125,6 +131,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     strategy:
+      max-parallel: 15
       matrix:
         test-suite:
           - { name: "default", args: "--all-targets --all-features --workspace" }
diff --git a/.github/workflows/ci_typos.yml b/.github/workflows/ci_typos.yml
index 13ceeaf236..38541bffbc 100644
--- a/.github/workflows/ci_typos.yml
+++ b/.github/workflows/ci_typos.yml
@@ -32,6 +32,9 @@ concurrency:
 env:
   RUST_BACKTRACE: 1
 
+permissions:
+  contents: read
+
 jobs:
   typos-check:
     name: typos check
@@ -42,4 +45,4 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Check typos
-        uses: crate-ci/typos@v1.43.3
+        uses: crate-ci/typos@v1.43.5
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000000..7fef7973e5
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,54 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  schedule:
+    - cron: '16 4 * * 1'
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: Analyze Actions
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      packages: read
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v6
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v4
+      with:
+        languages: actions
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v4
+      with:
+        category: "/language:actions"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 6b4b3da841..4504f6e2f0 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -26,12 +26,15 @@ on:
       - "v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+"
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   publish:
     runs-on: ubuntu-latest
     strategy:
       # Publish package one by one instead of flooding the registry
-      max-parallel: 1
+      max-parallel: 15
       matrix:
         # Order here is sensitive, as it will be used to determine the order of publishing
         package:
diff --git a/.github/workflows/release_python.yml b/.github/workflows/release_python.yml
index e587b50adc..f4cf4a761a 100644
--- a/.github/workflows/release_python.yml
+++ b/.github/workflows/release_python.yml
@@ -55,11 +55,14 @@ jobs:
         # Use input for workflow_dispatch, otherwise use `workflow_run.head_branch`
         # Note, `workflow_run.head_branch` does not contain `refs/tags/` prefix, just the tag name, i.e. `v0.4.0` or `v0.4.0-rc.1`
         # Valid formats: v<major>.<minor>.<patch> OR v<major>.<minor>.<patch>-rc.<release_candidate>
+        env:
+          DISPATCH_RELEASE_TAG: ${{ github.event.inputs.release_tag }}
+          RUN_HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
         run: |
           if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
-            RELEASE_TAG="${{ github.event.inputs.release_tag }}"
+            RELEASE_TAG="$DISPATCH_RELEASE_TAG"
           else
-            RELEASE_TAG="${{ github.event.workflow_run.head_branch }}"
+            RELEASE_TAG="$RUN_HEAD_BRANCH"
           fi
           echo "Validating release tag: $RELEASE_TAG"
           if [[ ! "$RELEASE_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-rc\.[0-9]+)?$ ]]; then
@@ -142,6 +145,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     needs: [validate-release-tag]
     strategy:
+      max-parallel: 15
       matrix:
         include:
           - { os: windows-latest }
diff --git a/.github/workflows/release_python_nightly.yml b/.github/workflows/release_python_nightly.yml
index 8bdd9d1003..32614b2d0e 100644
--- a/.github/workflows/release_python_nightly.yml
+++ b/.github/workflows/release_python_nightly.yml
@@ -63,6 +63,7 @@ jobs:
     if: github.repository == 'apache/iceberg-rust' # Only run for apache repo
     runs-on: "${{ matrix.os }}"
     strategy:
+      max-parallel: 15
       matrix:
         include:
           - { os: windows-latest }
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 95a4fdc256..051e9395fc 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -31,7 +31,7 @@ jobs:
     if: github.repository_owner == 'apache'
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/stale@v10.1.1
+      - uses: actions/stale@v10.2.0
         with:
           stale-issue-label: 'stale'
           exempt-issue-labels: 'not-stale'
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 1a52482b08..59bd2c6f2c 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -30,6 +30,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/Cargo.lock b/Cargo.lock
index a1ef734a24..57c68ea40a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -120,7 +120,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -131,7 +131,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -244,9 +244,9 @@ dependencies = [
 
 [[package]]
 name = "arrow-arith"
-version = "57.2.0"
+version = "57.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "288015089e7931843c80ed4032c5274f02b37bcb720c4a42096d50b390e70372"
+checksum = "f7b3141e0ec5145a22d8694ea8b6d6f69305971c4fa1c1a13ef0195aef2d678b"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -289,9 +289,9 @@ dependencies = [
 
 [[package]]
 name = "arrow-cast"
-version = "57.2.0"
+version = "57.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8e372ed52bd4ee88cc1e6c3859aa7ecea204158ac640b10e187936e7e87074"
+checksum = "646bbb821e86fd57189c10b4fcdaa941deaf4181924917b0daa92735baa6ada5"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -2497,7 +2497,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2650,7 +2650,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -2995,6 +2995,19 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "139ef39800118c7683f2fd3c98c1b23c09ae076556b435f8e9064ae108aaeeec"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+ "wasip3",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.3"
@@ -3714,6 +3727,12 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "id-arena"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -3870,7 +3889,7 @@ dependencies = [
  "portable-atomic",
  "portable-atomic-util",
  "serde_core",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -3943,6 +3962,12 @@ dependencies = [
  "spin",
 ]
 
+[[package]]
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
+
 [[package]]
 name = "lexical-core"
 version = "1.0.6"
@@ -4190,9 +4215,9 @@ dependencies = [
 
 [[package]]
 name = "minijinja"
-version = "2.15.1"
+version = "2.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b479616bb6f0779fb0f3964246beda02d4b01144e1b0d5519616e012ccc2a245"
+checksum = "5c54f3bcc034dd74496b5ca929fd0b710186672d5ff0b0f255a9ceb259042ece"
 dependencies = [
  "serde",
 ]
@@ -4391,7 +4416,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5708,15 +5733,15 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd15f8a2c5551a84d56efdc1cd049089e409ac19a3072d5037a17fd70719ff3e"
+checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
 dependencies = [
  "bitflags",
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -6719,15 +6744,15 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "tempfile"
-version = "3.23.0"
+version = "3.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
+checksum = "0136791f7c95b1f6dd99f9cc786b91bb81c3800b639b3478e561ddb7be95e5f1"
 dependencies = [
  "fastrand",
  "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -7267,6 +7292,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
 [[package]]
 name = "unit-prefix"
 version = "0.5.2"
@@ -7317,11 +7348,11 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.20.0"
+version = "1.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee48d38b119b0cd71fe4141b30f5ba9c7c5d9f4e7a3a8b4a674e4b6ef789976f"
+checksum = "b672338555252d43fd2240c714dc444b8c6fb0a5c5335e65a07bba7742735ddb"
 dependencies = [
- "getrandom 0.3.4",
+ "getrandom 0.4.1",
  "js-sys",
  "serde_core",
  "wasm-bindgen",
@@ -7438,7 +7469,16 @@ version = "1.0.1+wasi-0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
 dependencies = [
- "wit-bindgen",
+ "wit-bindgen 0.46.0",
+]
+
+[[package]]
+name = "wasip3"
+version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+dependencies = [
+ "wit-bindgen 0.51.0",
 ]
 
 [[package]]
@@ -7505,6 +7545,28 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+dependencies = [
+ "leb128fmt",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasm-metadata"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+dependencies = [
+ "anyhow",
+ "indexmap 2.12.1",
+ "wasm-encoder",
+ "wasmparser",
+]
+
 [[package]]
 name = "wasm-streams"
 version = "0.4.2"
@@ -7518,6 +7580,18 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "wasmparser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+dependencies = [
+ "bitflags",
+ "hashbrown 0.15.5",
+ "indexmap 2.12.1",
+ "semver",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.83"
@@ -7572,7 +7646,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -7880,6 +7954,94 @@ version = "0.46.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
 
+[[package]]
+name = "wit-bindgen"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+dependencies = [
+ "wit-bindgen-rust-macro",
+]
+
+[[package]]
+name = "wit-bindgen-core"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap 2.12.1",
+ "prettyplease",
+ "syn 2.0.111",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.111",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
+ "bitflags",
+ "indexmap 2.12.1",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap 2.12.1",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
+
 [[package]]
 name = "writeable"
 version = "0.6.2"
diff --git a/crates/integrations/playground/src/catalog.rs b/crates/integrations/playground/src/catalog.rs
index c00049f214..17ea70d955 100644
--- a/crates/integrations/playground/src/catalog.rs
+++ b/crates/integrations/playground/src/catalog.rs
@@ -24,6 +24,7 @@ use anyhow::anyhow;
 use datafusion::catalog::{CatalogProvider, CatalogProviderList};
 use fs_err::read_to_string;
 use iceberg::CatalogBuilder;
+use iceberg::memory::MemoryCatalogBuilder;
 use iceberg_catalog_rest::RestCatalogBuilder;
 use iceberg_catalog_sql::SqlCatalogBuilder;
 use iceberg_datafusion::IcebergCatalogProvider;
@@ -98,9 +99,10 @@ impl IcebergCatalogList {
         let catalog: Arc<dyn iceberg::Catalog> = match r#type {
             "rest" => Arc::new(RestCatalogBuilder::default().load(name, props).await?),
             "sql" => Arc::new(SqlCatalogBuilder::default().load(name, props).await?),
+            "memory" => Arc::new(MemoryCatalogBuilder::default().load(name, props).await?),
             _ => {
                 return Err(anyhow::anyhow!(
-                    "Unsupported catalog type: '{type}'. Supported types: rest, sql"
+                    "Unsupported catalog type: '{type}'. Supported types: rest, sql, memory"
                 ));
             }
         };
@@ -178,6 +180,27 @@ mod tests {
         assert!(catalog_list.catalog("test_sql").is_some());
     }
 
+    #[tokio::test]
+    async fn test_parse_memory_catalog() {
+        let config = r#"
+            [[catalogs]]
+            name = "test_memory"
+            type = "memory"
+            [catalogs.config]
+            warehouse = "/tmp/test-warehouse"
+        "#;
+
+        let toml_table: TomlTable = toml::from_str(config).unwrap();
+        let catalog_list = IcebergCatalogList::parse_table(&toml_table).await.unwrap();
+
+        assert!(
+            catalog_list
+                .catalog_names()
+                .contains(&"test_memory".to_string())
+        );
+        assert!(catalog_list.catalog("test_memory").is_some());
+    }
+
     #[tokio::test]
     async fn test_parse_unsupported_catalog_type() {
         let config = r#"
@@ -195,39 +218,26 @@ mod tests {
         let err_msg = result.unwrap_err().to_string();
         assert!(err_msg.contains("Unsupported catalog type"));
         assert!(err_msg.contains("hive"));
-        assert!(err_msg.contains("rest, sql"));
+        assert!(err_msg.contains("rest, sql, memory"));
     }
 
     #[tokio::test]
     async fn test_catalog_names() {
-        let db_path1 = temp_path();
-        let db_path2 = temp_path();
-        let sql_uri1 = format!("sqlite:{db_path1}");
-        let sql_uri2 = format!("sqlite:{db_path2}");
-
-        // Create SQLite database files first
-        sqlx::Sqlite::create_database(&sql_uri1).await.unwrap();
-        sqlx::Sqlite::create_database(&sql_uri2).await.unwrap();
-
-        let config = format!(
-            r#"
+        let config = r#"
             [[catalogs]]
             name = "catalog_one"
-            type = "sql"
+            type = "memory"
             [catalogs.config]
-            uri = "{sql_uri1}"
             warehouse = "/tmp/warehouse1"
 
             [[catalogs]]
             name = "catalog_two"
-            type = "sql"
+            type = "memory"
             [catalogs.config]
-            uri = "{sql_uri2}"
             warehouse = "/tmp/warehouse2"
-        "#
-        );
+        "#;
 
-        let toml_table: TomlTable = toml::from_str(&config).unwrap();
+        let toml_table: TomlTable = toml::from_str(config).unwrap();
         let catalog_list = IcebergCatalogList::parse_table(&toml_table).await.unwrap();
 
         let names = catalog_list.catalog_names();

From 74d63b14e49656b1b4213ccf84d012cdf3623d11 Mon Sep 17 00:00:00 2001
From: shekharrajak <shekharrajak@live.com>
Date: Tue, 24 Feb 2026 11:21:39 +0530
Subject: [PATCH 4/4] fix: complete match arm syntax and remove duplicate
 import

- Add missing closing delimiters )); and } for unsupported catalog type error
- Remove duplicate `use super::*;` statement in tests module
---
 crates/integrations/playground/src/catalog.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/integrations/playground/src/catalog.rs b/crates/integrations/playground/src/catalog.rs
index 6d48065c73..17ea70d955 100644
--- a/crates/integrations/playground/src/catalog.rs
+++ b/crates/integrations/playground/src/catalog.rs
@@ -103,6 +103,8 @@ impl IcebergCatalogList {
             _ => {
                 return Err(anyhow::anyhow!(
                     "Unsupported catalog type: '{type}'. Supported types: rest, sql, memory"
+                ));
+            }
         };
 
         Ok((
@@ -178,8 +180,6 @@ mod tests {
         assert!(catalog_list.catalog("test_sql").is_some());
     }
 
-    use super::*;
-
     #[tokio::test]
     async fn test_parse_memory_catalog() {
         let config = r#"