Support extra BLOB types (BYTEA, BYTES) (#26)

Supporting [this](https://www.cockroachlabs.com/docs/stable/bytes.html)

README.md

@@ -12,4 +12,5 @@ This doesn't fully cover the whole SQL syntax of CockroachDB. It's a work in pro
 * Supports STRING data type
 * Supports storing index
 * Supports unnamed index
-  * Index tracking and validation has been disabled until there's a way to track unnamed indexes
+  * Index tracking and validation has been disabled until there's a way to track unnamed indexes
+* Blob types (BYTEA, BLOB, BYTES)

cockroachdb-dialect/src/main/kotlin/com/faire/sqldelight/dialects/cockroachdb/grammar/CockroachDB.bnf

@@ -74,6 +74,7 @@
 
 overrides ::= table_constraint
   | string_data_type
+  | blob_data_type
   | generated_clause
   | alter_table_rules
 
@@ -93,6 +94,12 @@ string_data_type ::= ((( 'CHARACTER' 'VARYING' ) | 'VARCHAR' | 'CHARACTER' | 'CH
   override = true
 }
 
+blob_data_type ::= 'BYTEA' | 'BLOB' | 'BYTES' {
+  extends = "app.cash.sqldelight.dialects.postgresql.grammar.psi.impl.PostgreSqlBlobDataTypeImpl"
+  implements = "app.cash.sqldelight.dialects.postgresql.grammar.psi.PostgreSqlBlobDataType"
+  override = true
+}
+
 create_index_stmt ::= CREATE [ UNIQUE ] INDEX [ IF NOT EXISTS ] [ [ ansi_database_name DOT ] ansi_index_name ] ON ansi_table_name LP ansi_indexed_column ( COMMA ansi_indexed_column ) * RP ['STORING' LP ansi_indexed_column ( COMMA ansi_indexed_column ) * RP ] [ WHERE <<expr '-1'>> ] {
   extends = "com.faire.sqldelight.dialects.cockroachdb.grammar.mixins.CreateIndexMixin"
   implements = "com.alecstrong.sql.psi.core.psi.SqlCreateIndexStmt"

cockroachdb-dialect/src/test/fixtures_cockroachdb/blob-data-type/1.s

@@ -0,0 +1,7 @@
+CREATE TABLE foo(
+  id INT NOT NULL,
+  bar1 BYTEA NOT NULL,
+  bar2 BLOB NOT NULL,
+  bar3 BYTES NOT NULL,
+  PRIMARY KEY (id)
+);

integration-testing/src/main/resources/migrations/v202307111418__blob_data_types.sqm

@@ -0,0 +1,7 @@
+CREATE TABLE blob_data_types(
+  id INT NOT NULL,
+  bytea_col BYTEA NOT NULL,
+  blob_col BLOB NOT NULL,
+  bytes_col BYTES NOT NULL,
+  PRIMARY KEY (id)
+);

integration-testing/src/main/sqldelight/com/faire/sqldelight/dialects/cockroachdb/BlobTypes.sq

@@ -0,0 +1,6 @@
+create:
+INSERT INTO blob_data_types VALUES ?;
+
+selectAll:
+SELECT *
+FROM blob_data_types;

integration-testing/src/test/kotlin/com/faire/sqldelight/dialects/cockroachdb/IntegrationTest.kt

@@ -1,5 +1,6 @@
 package com.faire.sqldelight.dialects.cockroachdb
 
+import Blob_data_types
 import Computed_column
 import String_type
 import app.cash.sqldelight.driver.jdbc.JdbcDriver
@@ -44,6 +45,25 @@ class IntegrationTest {
     ).containsExactlyInAnyOrder("hello", "world")
   }
 
+  @Test
+  fun `persist BLOB types`() {
+    val charset = Charsets.UTF_8
+    database.blobTypesQueries.create(
+      Blob_data_types(
+        id = 1,
+        bytea_col = "foo".toByteArray(charset),
+        blob_col = "bar".toByteArray(charset),
+        bytes_col = "baz".toByteArray(charset),
+      ),
+    )
+    with(database.blobTypesQueries.selectAll().executeAsOne()) {
+      assertThat(id).isEqualTo(1)
+      assertThat(bytea_col.toString(charset)).isEqualTo("foo")
+      assertThat(blob_col.toString(charset)).isEqualTo("bar")
+      assertThat(bytes_col.toString(charset)).isEqualTo("baz")
+    }
+  }
+
   companion object {
     private lateinit var database: CockroachDBIntegrationTesting