diff --git a/packages/build/package.json b/packages/build/package.json
index 79e6f386..2719b8c5 100644
--- a/packages/build/package.json
+++ b/packages/build/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/build",
   "description": "VulcanSQL package for building projects",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -22,6 +22,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/catalog-server/package.json b/packages/catalog-server/package.json
index a721112b..af8bb3aa 100644
--- a/packages/catalog-server/package.json
+++ b/packages/catalog-server/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/catalog-server",
   "description": "Catalog server for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 0a44fb78..163088d0 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/cli",
   "description": "CLI tools for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "bin": {
     "vulcan": "./src/index.js"
diff --git a/packages/core/package.json b/packages/core/package.json
index f37bff72..213836cb 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/core",
   "description": "Core package of VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
diff --git a/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/index.ts b/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/index.ts
index 8c9b3d76..8bf5511b 100644
--- a/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/index.ts
+++ b/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/index.ts
@@ -1,4 +1,11 @@
 import { UniqueFilterBuilder } from './uniqueFilterBuilder';
 import { UniqueFilterRunner } from './uniqueFilterRunner';
+import { TypeofBuilder } from './typeofBuilder';
+import { TypeofRunner } from './typeofRunner';
 
-export default [UniqueFilterBuilder, UniqueFilterRunner];
+export default [
+  UniqueFilterBuilder,
+  UniqueFilterRunner,
+  TypeofBuilder,
+  TypeofRunner,
+];
diff --git a/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/typeofBuilder.ts b/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/typeofBuilder.ts
new file mode 100644
index 00000000..84698ec0
--- /dev/null
+++ b/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/typeofBuilder.ts
@@ -0,0 +1,9 @@
+import {
+  FilterBuilder,
+  VulcanInternalExtension,
+} from '@vulcan-sql/core/models';
+
+@VulcanInternalExtension()
+export class TypeofBuilder extends FilterBuilder {
+  public filterName = 'typeof';
+}
diff --git a/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/typeofRunner.ts b/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/typeofRunner.ts
new file mode 100644
index 00000000..e38502ff
--- /dev/null
+++ b/packages/core/src/lib/template-engine/built-in-extensions/sql-helper/typeofRunner.ts
@@ -0,0 +1,15 @@
+import {
+  FilterRunner,
+  FilterRunnerTransformOptions,
+  VulcanInternalExtension,
+} from '@vulcan-sql/core/models';
+
+@VulcanInternalExtension()
+export class TypeofRunner extends FilterRunner {
+  public filterName = 'typeof';
+  public async transform({
+    value,
+  }: FilterRunnerTransformOptions): Promise<any> {
+    return typeof value;
+  }
+}
diff --git a/packages/extension-api-caller/package.json b/packages/extension-api-caller/package.json
index 6f2cefe3..c65844ea 100644
--- a/packages/extension-api-caller/package.json
+++ b/packages/extension-api-caller/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-api-caller",
   "description": "Calling APIs to get data from other sources",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -23,6 +23,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "^0.10.1"
+    "@vulcan-sql/core": "^0.10.2"
   }
 }
diff --git a/packages/extension-authenticator-canner/package.json b/packages/extension-authenticator-canner/package.json
index ddeae8e3..8c88b435 100644
--- a/packages/extension-authenticator-canner/package.json
+++ b/packages/extension-authenticator-canner/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-authenticator-canner",
   "description": "Canner Enterprise authenticator for Vulcan SQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -24,7 +24,7 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0",
-    "@vulcan-sql/serve": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0",
+    "@vulcan-sql/serve": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-dbt/package.json b/packages/extension-dbt/package.json
index 5126ca13..dd54294d 100644
--- a/packages/extension-dbt/package.json
+++ b/packages/extension-dbt/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-dbt",
   "description": "Using dbt models form VulcanSQL projects",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -23,6 +23,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-debug-tools/package.json b/packages/extension-debug-tools/package.json
index f90c36c3..d637513c 100644
--- a/packages/extension-debug-tools/package.json
+++ b/packages/extension-debug-tools/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-debug-tools",
   "description": "A collection of Vulcan extension debug tools",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -22,9 +22,9 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   },
   "devDependencies": {
-    "@vulcan-sql/test-utility": "~0.10.1-0"
+    "@vulcan-sql/test-utility": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-bq/package.json b/packages/extension-driver-bq/package.json
index 40898616..2aed23d6 100644
--- a/packages/extension-driver-bq/package.json
+++ b/packages/extension-driver-bq/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-bq",
   "description": "BigQuery driver for Vulcan SQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -24,6 +24,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-canner/package.json b/packages/extension-driver-canner/package.json
index 9282a10a..b500f254 100644
--- a/packages/extension-driver-canner/package.json
+++ b/packages/extension-driver-canner/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-canner",
   "description": "Canner Enterprise driver for Vulcan SQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -24,6 +24,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-clickhouse/package.json b/packages/extension-driver-clickhouse/package.json
index 09072853..87322cac 100644
--- a/packages/extension-driver-clickhouse/package.json
+++ b/packages/extension-driver-clickhouse/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-clickhouse",
   "description": "Clickhouse driver for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -27,6 +27,6 @@
     "@clickhouse/client": "^0.1.1"
   },
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-duckdb/package.json b/packages/extension-driver-duckdb/package.json
index b488e187..b4b8d32c 100644
--- a/packages/extension-driver-duckdb/package.json
+++ b/packages/extension-driver-duckdb/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-duckdb",
   "description": "duckdb driver for Vulcan SQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -23,6 +23,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-duckdb/src/lib/duckdbDataSource.ts b/packages/extension-driver-duckdb/src/lib/duckdbDataSource.ts
index e64e3991..28f2c82f 100644
--- a/packages/extension-driver-duckdb/src/lib/duckdbDataSource.ts
+++ b/packages/extension-driver-duckdb/src/lib/duckdbDataSource.ts
@@ -104,15 +104,13 @@ export class DuckDBDataSource extends DataSource<any, DuckDBOptions> {
     // create new connection for each query
     const parameters = Array.from(bindParams.values());
     this.logRequest(firstDataSQL, parameters, options);
-    const connection = db.connect();
-    await this.loadExtensions(connection, configurationParameters);
-    await this.setExecConfig(connection);
     if (restDataSQL) this.logRequest(restDataSQL, parameters, options);
     const [firstData, restDataStream] = await this.acquireData(
       firstDataSQL,
       restDataSQL,
       parameters,
-      db
+      db,
+      configurationParameters
     );
     const readable = this.createReadableStream(firstData, restDataStream);
     return {
@@ -168,15 +166,24 @@ export class DuckDBDataSource extends DataSource<any, DuckDBOptions> {
     firstDataSql: string,
     restDataSql: string | undefined,
     parameters: any[],
-    db: duckdb.Database
+    db: duckdb.Database,
+    configurationParameters: ConfigurationParameters
   ) {
     // conn.all() is faster then stream.checkChunk().
     // For the small size data we use conn.all() to get the data at once
     // To limit memory use and prevent server crashes, we will use conn.all() to acquire the initial chunk of data, then conn.stream() to receive the remainder of the data.
+    const c1 = db.connect();
+    const c2 = db.connect();
+    await Promise.all([
+      await this.loadExtensions(c1, configurationParameters),
+      await this.setExecConfig(c1),
+      await this.loadExtensions(c2, configurationParameters),
+      await this.setExecConfig(c2),
+    ]);
+
     return await Promise.all([
       new Promise<duckdb.TableData>((resolve, reject) => {
-        const c = db.connect();
-        c.all(
+        c1.all(
           firstDataSql,
           ...parameters,
           (err: duckdb.DuckDbError | null, res: duckdb.TableData) => {
@@ -190,8 +197,7 @@ export class DuckDBDataSource extends DataSource<any, DuckDBOptions> {
       new Promise<duckdb.QueryResult | undefined>((resolve, reject) => {
         if (!restDataSql) resolve(undefined);
         try {
-          const c = db.connect();
-          const result = c.stream(restDataSql, ...parameters);
+          const result = c2.stream(restDataSql, ...parameters);
           resolve(result);
         } catch (err: any) {
           reject(err);
diff --git a/packages/extension-driver-duckdb/src/lib/duckdbExtensionLoader.ts b/packages/extension-driver-duckdb/src/lib/duckdbExtensionLoader.ts
index edfaf12e..87dd0cba 100644
--- a/packages/extension-driver-duckdb/src/lib/duckdbExtensionLoader.ts
+++ b/packages/extension-driver-duckdb/src/lib/duckdbExtensionLoader.ts
@@ -37,36 +37,51 @@ export class DuckDBExtensionLoader {
       return;
     }
     try {
-      conn.run(`LOAD ${extensionName}`);
+      await new Promise<void>((resolve, reject) => {
+        conn.run(`LOAD ${extensionName}`, (err: any) => {
+          if (err) reject(err);
+          this.logger.debug('Extension loaded');
+          resolve();
+        });
+      });
     } catch (error) {
       this.logger.debug(`Error when loading extension:${extensionName}`);
       throw error;
     }
+    await Promise.all(
+      Object.entries(extensionConfigurations).map(
+        async ([dbParameterName, configurationKey]) => {
+          const configurationValue =
+            this.configurations[
+              configurationKey as keyof ConfigurationParameters
+            ];
+          // if configuration is not undefined
+          if (configurationValue !== undefined) {
+            return await new Promise<void>((resolve, reject) => {
+              conn.run(
+                `SET ${dbParameterName}='${configurationValue}'`,
+                (err: any) => {
+                  if (err) {
+                    this.logger.debug(
+                      `Configuration error "${dbParameterName}": ${err}`
+                    );
+                    reject(err);
+                  }
 
-    Object.entries(extensionConfigurations).forEach(
-      ([dbParameterName, configurationKey]) => {
-        const configurationValue =
-          this.configurations[
-            configurationKey as keyof ConfigurationParameters
-          ];
-        // if configuration is not undefined
-        if (configurationValue !== undefined) {
-          conn.run(
-            `SET ${dbParameterName}='${configurationValue}'`,
-            (err: any) => {
-              if (err) throw err;
-              this.logger.debug(
-                `Configuration error "${dbParameterName}": ${err}`
+                  this.logger.debug(
+                    `Configuration parameter "${dbParameterName}" set`
+                  );
+                  resolve();
+                }
               );
-            }
-          );
-          this.logger.debug(`Configuration parameter "${dbParameterName}" set`);
-        } else {
-          this.logger.debug(
-            `Configuration "${dbParameterName}" has not been set`
-          );
+            });
+          } else {
+            this.logger.debug(
+              `Configuration "${dbParameterName}" has not been set`
+            );
+          }
         }
-      }
+      )
     );
   }
 }
diff --git a/packages/extension-driver-duckdb/tests/duckdbDataSource.spec.ts b/packages/extension-driver-duckdb/tests/duckdbDataSource.spec.ts
index 4373c060..6a7cb2ab 100644
--- a/packages/extension-driver-duckdb/tests/duckdbDataSource.spec.ts
+++ b/packages/extension-driver-duckdb/tests/duckdbDataSource.spec.ts
@@ -316,7 +316,9 @@ it('Should print queries without binding when log-queries = true', async () => {
     profileName: 'mocked-profile',
   });
   // Assert
-  expect(/select \$1::INTEGER as test/.test(logs.slice(-1)[0][0])).toBe(true);
+  expect(
+    logs.flat(2).find((log) => /select \$1::INTEGER as test/.test(log))
+  ).not.toBe(undefined);
 });
 
 it('Should print queries with binding when log-queries = true and log-parameters = true', async () => {
@@ -357,8 +359,11 @@ it('Should print queries with binding when log-queries = true and log-parameters
     profileName: 'mocked-profile',
   });
   // Assert
-  expect(/select \$1::INTEGER as test/.test(logs.slice(-1)[0][0])).toBe(true);
-  expect(logs.slice(-1)[0][1]).toEqual([1234]);
+  expect(
+    logs.flat(2).find((log) => /select \$1::INTEGER as test/.test(log))
+  ).not.toBe(undefined);
+
+  expect(logs.flat(2)).toContain(1234);
 });
 
 it('Should share db instances for same path besides in-memory only db', async () => {
diff --git a/packages/extension-driver-ksqldb/package.json b/packages/extension-driver-ksqldb/package.json
index 7efef4df..ebf52fc9 100644
--- a/packages/extension-driver-ksqldb/package.json
+++ b/packages/extension-driver-ksqldb/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-ksqldb",
   "description": "ksqlDB driver for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -23,6 +23,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-pg/package.json b/packages/extension-driver-pg/package.json
index e86d0ce9..e63854d0 100644
--- a/packages/extension-driver-pg/package.json
+++ b/packages/extension-driver-pg/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-pg",
   "description": "PG driver for Vulcan SQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -24,6 +24,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-redshift/package.json b/packages/extension-driver-redshift/package.json
index 1e652faa..4b0ca4dc 100644
--- a/packages/extension-driver-redshift/package.json
+++ b/packages/extension-driver-redshift/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-redshift",
   "description": "Redshift driver for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -27,6 +27,6 @@
     "exponential-backoff": "^3.1.1"
   },
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-driver-snowflake/package.json b/packages/extension-driver-snowflake/package.json
index 4f217baa..cf240fc2 100644
--- a/packages/extension-driver-snowflake/package.json
+++ b/packages/extension-driver-snowflake/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-driver-snowflake",
   "description": "Snowflake driver for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -30,6 +30,6 @@
     "@types/snowflake-sdk": "^1.6.8"
   },
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-huggingface/package.json b/packages/extension-huggingface/package.json
index 4ad69130..cfd612f4 100644
--- a/packages/extension-huggingface/package.json
+++ b/packages/extension-huggingface/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-huggingface",
   "description": "Hugging Face feature for VulcanSQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -23,6 +23,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }
diff --git a/packages/extension-store-canner/package.json b/packages/extension-store-canner/package.json
index 58dec1c8..c9a8f583 100644
--- a/packages/extension-store-canner/package.json
+++ b/packages/extension-store-canner/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/extension-store-canner",
   "description": "Canner persistence store for Vulcan SQL",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -24,7 +24,7 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   },
   "dependencies": {
     "@canner/canner-storage": "^0.0.7"
diff --git a/packages/serve/package.json b/packages/serve/package.json
index cfada274..9b8240ce 100644
--- a/packages/serve/package.json
+++ b/packages/serve/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/serve",
   "description": "VulcanSQL package for serving projects",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -22,7 +22,7 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   },
   "dependencies": {
     "redoc": "2.0.0-rc.76"
diff --git a/packages/test-utility/package.json b/packages/test-utility/package.json
index cafdf445..e61bc2a6 100644
--- a/packages/test-utility/package.json
+++ b/packages/test-utility/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@vulcan-sql/test-utility",
   "description": "Vulcan package for extension testing",
-  "version": "0.10.1",
+  "version": "0.10.2",
   "type": "commonjs",
   "publishConfig": {
     "access": "public"
@@ -23,6 +23,6 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@vulcan-sql/core": "~0.10.1-0"
+    "@vulcan-sql/core": "~0.10.2-0"
   }
 }