From 1f3ddaeec6d749938005a298e7cf2a640787dbfa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EC=84=A0=EC=9A=B0?= <seonwoo960000@toss.im>
Date: Sun, 9 Feb 2025 17:24:35 +0900
Subject: [PATCH] Implement prepareStatement

---
 .../tursodatabase/jdbc4/JDBC4Connection.java  | 56 +++++++++----------
 1 file changed, 25 insertions(+), 31 deletions(-)

diff --git a/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java b/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java
index 34287f0f9..598404b06 100644
--- a/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java
+++ b/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java
@@ -41,11 +41,6 @@ public class JDBC4Connection extends LimboConnection {
     return new JDBC4Statement(this);
   }
 
-  @Override
-  public PreparedStatement prepareStatement(String sql) throws SQLException {
-    return new JDBC4PreparedStatement(this, sql);
-  }
-
   @Override
   public String nativeSQL(String sql) throws SQLException {
     return sql;
@@ -131,14 +126,6 @@ public class JDBC4Connection extends LimboConnection {
     // TODO
   }
 
-  @Override
-  @SkipNullableCheck
-  public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
-      throws SQLException {
-    // TODO
-    return null;
-  }
-
   @Override
   public Map<String, Class<?>> getTypeMap() throws SQLException {
     return this.typeMap;
@@ -189,15 +176,6 @@ public class JDBC4Connection extends LimboConnection {
     // TODO
   }
 
-  @Override
-  @SkipNullableCheck
-  public PreparedStatement prepareStatement(
-      String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
-      throws SQLException {
-    // TODO
-    return null;
-  }
-
   @Override
   public CallableStatement prepareCall(String sql) throws SQLException {
     return prepareCall(
@@ -221,24 +199,40 @@ public class JDBC4Connection extends LimboConnection {
   }
 
   @Override
-  @SkipNullableCheck
+  public PreparedStatement prepareStatement(String sql) throws SQLException {
+    return prepareStatement(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
+  }
+
+  @Override
+  public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
+          throws SQLException {
+    return prepareStatement(sql, resultSetType, resultSetConcurrency, ResultSet.CLOSE_CURSORS_AT_COMMIT);
+  }
+
+  @Override
+  public PreparedStatement prepareStatement(
+          String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
+          throws SQLException {
+    checkOpen();
+    checkCursor(resultSetType, resultSetConcurrency, resultSetHoldability);
+    return new JDBC4PreparedStatement(this, sql);
+  }
+
+  @Override
   public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
-    // TODO
-    return null;
+    return prepareStatement(sql);
   }
 
   @Override
-  @SkipNullableCheck
   public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
-    // TODO
-    return null;
+    // TODO: maybe we can enhance this functionality by using columnIndexes
+    return prepareStatement(sql);
   }
 
   @Override
-  @SkipNullableCheck
   public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
-    // TODO
-    return null;
+    // TODO: maybe we can enhance this functionality by using columnNames
+    return prepareStatement(sql);
   }
 
   @Override