diff --git a/extension/sql/vectorize--0.11.1--0.12.0.sql b/extension/sql/vectorize--0.11.1--0.12.0.sql
index 1cf1087..e9ab35d 100644
--- a/extension/sql/vectorize--0.11.1--0.12.0.sql
+++ b/extension/sql/vectorize--0.11.1--0.12.0.sql
@@ -11,7 +11,7 @@ CREATE  FUNCTION vectorize."table"(
         "schema" TEXT DEFAULT 'public', /* &str */
         "update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
         "transformer" TEXT DEFAULT 'text-embedding-ada-002', /* &str */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'join', /* vectorize::types::TableMethod */
         "schedule" TEXT DEFAULT '* * * * *' /* &str */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
@@ -29,7 +29,7 @@ CREATE  FUNCTION vectorize."init_rag"(
         "column" TEXT, /* &str */
         "schema" TEXT DEFAULT 'public', /* &str */
         "transformer" TEXT DEFAULT 'text-embedding-ada-002', /* &str */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'join', /* vectorize::types::TableMethod */
         "schedule" TEXT DEFAULT '* * * * *' /* &str */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.13.0--0.14.0.sql b/extension/sql/vectorize--0.13.0--0.14.0.sql
index 661efac..e60a12a 100644
--- a/extension/sql/vectorize--0.13.0--0.14.0.sql
+++ b/extension/sql/vectorize--0.13.0--0.14.0.sql
@@ -45,8 +45,9 @@ CREATE  FUNCTION vectorize."init_rag"(
 	"unique_record_id" TEXT, /* &str */
 	"column" TEXT, /* &str */
 	"schema" TEXT DEFAULT 'public', /* &str */
-  	"index_dist_type" vectorize.IndexDist DEFAULT, /* vectorize::types::IndexDist */
+  "index_dist_type" TEXT DEFAULT 'pgv_hsnw_cosine', /* vectorize::types::IndexDist */
 	"transformer" TEXT DEFAULT 'openai/text-embedding-ada-002', /* &str */
+	"search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
 	"table_method" vectorize.TableMethod DEFAULT 'join', /* vectorize::types::TableMethod */
 	"schedule" TEXT DEFAULT '* * * * *' /* &str */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
@@ -66,7 +67,8 @@ CREATE  FUNCTION vectorize."table"(
 	"schema" TEXT DEFAULT 'public', /* &str */
 	"update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
 	"index_dist_type" TEXT DEFAULT 'pgv_hsnw_cosine', /* vectorize::types::IndexDist */
-  	"transformer" TEXT DEFAULT 'openai/text-embedding-ada-002', /* &str */
+  "transformer" TEXT DEFAULT 'openai/text-embedding-ada-002', /* &str */
+	"search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
 	"table_method" vectorize.TableMethod DEFAULT 'join', /* vectorize::types::TableMethod */
 	"schedule" TEXT DEFAULT '* * * * *' /* &str */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.17.1--0.18.0.sql b/extension/sql/vectorize--0.17.1--0.18.0.sql
index 30827e7..b20268b 100644
--- a/extension/sql/vectorize--0.17.1--0.18.0.sql
+++ b/extension/sql/vectorize--0.17.1--0.18.0.sql
@@ -54,6 +54,7 @@ CREATE  FUNCTION vectorize."table"(
 	"update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
 	"index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine', /* vectorize::types::IndexDist */
 	"transformer" TEXT DEFAULT 'sentence-transformers/all-MiniLM-L6-v2', /* &str */
+	"search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
 	"table_method" vectorize.TableMethod DEFAULT 'join', /* vectorize::types::TableMethod */
 	"schedule" TEXT DEFAULT '* * * * *' /* &str */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
@@ -71,6 +72,7 @@ CREATE  FUNCTION vectorize."init_rag"(
 	"schema" TEXT DEFAULT 'public', /* &str */
 	"index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine', /* vectorize::types::IndexDist */
 	"transformer" TEXT DEFAULT 'sentence-transformers/all-MiniLM-L6-v2', /* &str */
+	"search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
 	"table_method" vectorize.TableMethod DEFAULT 'join', /* vectorize::types::TableMethod */
 	"schedule" TEXT DEFAULT '* * * * *' /* &str */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.19.0--0.20.0.sql b/extension/sql/vectorize--0.19.0--0.20.0.sql
new file mode 100644
index 0000000..e8b2938
--- /dev/null
+++ b/extension/sql/vectorize--0.19.0--0.20.0.sql
@@ -0,0 +1,35 @@
+DROP FUNCTION IF EXISTS vectorize."table";
+DROP FUNCTION IF EXISTS vectorize."init_rag";
+ALTER TABLE vectorize.job DROP COLUMN search_alg;
+
+-- Recreate functions with updated signatures
+CREATE FUNCTION vectorize."table"(
+    "table" TEXT,
+    "columns" TEXT[],
+    "job_name" TEXT,
+    "primary_key" TEXT,
+    "schema" TEXT DEFAULT 'public',
+    "update_col" TEXT DEFAULT 'last_updated_at',
+    "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+    "transformer" TEXT DEFAULT 'sentence-transformers/all-MiniLM-L6-v2',
+    "table_method" vectorize.TableMethod DEFAULT 'join',
+    "schedule" TEXT DEFAULT '* * * * *'
+) RETURNS TEXT
+STRICT
+LANGUAGE c
+AS 'MODULE_PATHNAME', 'table_wrapper';
+
+CREATE FUNCTION vectorize."init_rag"(
+    "agent_name" TEXT,
+    "table_name" TEXT,
+    "unique_record_id" TEXT,
+    "column" TEXT,
+    "schema" TEXT DEFAULT 'public',
+    "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+    "transformer" TEXT DEFAULT 'sentence-transformers/all-MiniLM-L6-v2',
+    "table_method" vectorize.TableMethod DEFAULT 'join',
+    "schedule" TEXT DEFAULT '* * * * *'
+) RETURNS TEXT
+STRICT
+LANGUAGE c
+AS 'MODULE_PATHNAME', 'init_rag_wrapper';
\ No newline at end of file
diff --git a/extension/sql/vectorize--0.2.0--0.3.0.sql b/extension/sql/vectorize--0.2.0--0.3.0.sql
index 39c7130..c3906d8 100644
--- a/extension/sql/vectorize--0.2.0--0.3.0.sql
+++ b/extension/sql/vectorize--0.2.0--0.3.0.sql
@@ -9,7 +9,7 @@ CREATE  FUNCTION vectorize."table"(
         "schema" TEXT DEFAULT 'public', /* alloc::string::String */
         "update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
         "transformer" vectorize.Transformer DEFAULT 'openai', /* vectorize::types::Transformer */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'append', /* vectorize::init::TableMethod */
         "schedule" TEXT DEFAULT '* * * * *' /* alloc::string::String */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.4.0--0.5.0.sql b/extension/sql/vectorize--0.4.0--0.5.0.sql
index f1a2fab..5ece66f 100644
--- a/extension/sql/vectorize--0.4.0--0.5.0.sql
+++ b/extension/sql/vectorize--0.4.0--0.5.0.sql
@@ -10,7 +10,7 @@ CREATE  FUNCTION vectorize."table"(
         "schema" TEXT DEFAULT 'public', /* alloc::string::String */
         "update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
         "transformer" vectorize.Transformer DEFAULT 'openai', /* vectorize::types::Transformer */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'append', /* vectorize::init::TableMethod */
         "schedule" TEXT DEFAULT '* * * * *' /* alloc::string::String */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.5.0--0.6.0.sql b/extension/sql/vectorize--0.5.0--0.6.0.sql
index c152e48..6cc8e88 100644
--- a/extension/sql/vectorize--0.5.0--0.6.0.sql
+++ b/extension/sql/vectorize--0.5.0--0.6.0.sql
@@ -10,7 +10,7 @@ CREATE  FUNCTION vectorize."table"(
         "schema" TEXT DEFAULT 'public', /* alloc::string::String */
         "update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
         "transformer" vectorize.Transformer DEFAULT 'openai', /* vectorize::types::Transformer */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'append', /* vectorize::types::TableMethod */
         "schedule" TEXT DEFAULT '* * * * *' /* alloc::string::String */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.7.0--0.8.0.sql b/extension/sql/vectorize--0.7.0--0.8.0.sql
index d8d91a9..9b646d4 100644
--- a/extension/sql/vectorize--0.7.0--0.8.0.sql
+++ b/extension/sql/vectorize--0.7.0--0.8.0.sql
@@ -11,7 +11,7 @@ CREATE  FUNCTION vectorize."table"(
         "schema" TEXT DEFAULT 'public', /* alloc::string::String */
         "update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
         "transformer" TEXT DEFAULT 'text-embedding-ada-002', /* alloc::string::String */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'append', /* vectorize::types::TableMethod */
         "schedule" TEXT DEFAULT '* * * * *' /* alloc::string::String */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.8.1--0.9.0.sql b/extension/sql/vectorize--0.8.1--0.9.0.sql
index f4b627d..cf6f84b 100644
--- a/extension/sql/vectorize--0.8.1--0.9.0.sql
+++ b/extension/sql/vectorize--0.8.1--0.9.0.sql
@@ -10,7 +10,7 @@ CREATE  FUNCTION vectorize."table"(
         "schema" TEXT DEFAULT 'public', /* alloc::string::String */
         "update_col" TEXT DEFAULT 'last_updated_at', /* alloc::string::String */
         "transformer" TEXT DEFAULT 'text-embedding-ada-002', /* alloc::string::String */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'append', /* vectorize::types::TableMethod */
         "schedule" TEXT DEFAULT 'realtime' /* alloc::string::String */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
diff --git a/extension/sql/vectorize--0.9.0--0.10.0.sql b/extension/sql/vectorize--0.9.0--0.10.0.sql
index 6cf1fa6..3509078 100644
--- a/extension/sql/vectorize--0.9.0--0.10.0.sql
+++ b/extension/sql/vectorize--0.9.0--0.10.0.sql
@@ -38,7 +38,7 @@ CREATE  FUNCTION vectorize."init_rag"(
         "column" TEXT, /* &str */
         "schema" TEXT DEFAULT 'public', /* &str */
         "transformer" TEXT DEFAULT 'text-embedding-ada-002', /* &str */
-        "index_dist_type" vectorize.IndexDist DEFAULT 'pgv_hnsw_cosine',
+        "search_alg" vectorize.SimilarityAlg DEFAULT 'pgv_cosine_similarity', /* vectorize::types::SimilarityAlg */
         "table_method" vectorize.TableMethod DEFAULT 'append' /* vectorize::types::TableMethod */
 ) RETURNS TEXT /* core::result::Result<alloc::string::String, anyhow::Error> */
 STRICT