Sqlite test

.vscode/extensions.json

@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "julialang.language-julia"
+    ]
+}

src/jdbc.jl

@@ -8,23 +8,33 @@ function DBInterface.connect(::Type{JDBC.Connection}, args...; connection_string
     catch 
         println("JVM already initialized")
     end
-    JDBC.Connection(connection_string)
+    JDBC.DriverManager.getConnection(connection_string)
 end
 
 """
-Dispatch for LibPQ interface to DBInterface `prepare` function
-TODO: Not fully implemented yet
+Dispatch for JDBC interface to DBInterface `prepare` function
+BUG: Doesn't seem to work for all JDBC versions yet
 """
-# DBInterface.prepare(conn::JDBC.Connection, args...; kws...) =
-#     JDBC.prepareStatement(conn, args...; kws...)
+function DBInterface.prepare(conn::JDBC.JavaObject{Symbol("java.sql.Connection")}, args...; kws...)
+    stmt = JDBC.createStatement(conn)
+    result = executeQuery(stmt, args...)
+    return result
+end
+
+"""
+Workaround for JDBC interface to DBInterface's `execute` function
+"""
+function DBInterface.execute(conn::JDBC.JavaObject{Symbol("java.sql.ResultSet")}, args...; kws...)
+    JDBC.Source(conn)
+end
 
 """
-Workaround for LibPQ interface to DBInterface's `execute` function
+Workaround for JDBC interface to DBInterface's `execute` function
 """
-function DBInterface.execute(conn::Union{JDBC.Connection, JDBC.JPreparedStatement}, args...; kws...)
-    csr = JDBC.cursor(conn)
-    JDBC.execute!(csr, args..., kws...)
-    JDBC.Source(csr)
+function DBInterface.execute(conn::JDBC.JavaObject{Symbol("java.sql.Connection")}, args...; kws...)
+    stmt = JDBC.createStatement(conn)
+    result = executeQuery(stmt, args...)
+    JDBC.Source(result)
 end
 
 

src/sqlite.jl

@@ -1,5 +1,5 @@
-function _dbconnect(connector::Type{SQLite.DB}; file_path)
+function _dbconnect(connector::Type{SQLite.DB}, file_path::String)
 
-    return connector(file_path.second)
+    return connector(file_path)
 
 end

test/runtests.jl

@@ -2,3 +2,8 @@ using Test, Example
 
 @test hello("Julia") == "Hello, Julia"
 @test domath(2.0) ≈ 7.0
+
+@testset "_dbconnect function for SQLite" begin
+    conn= _dbconnect(SQLite.DB, "path_to_database.db")
+    @test @isdefined conn
+end