diff --git a/Project.toml b/Project.toml
new file mode 100644
index 0000000..37c75f6
--- /dev/null
+++ b/Project.toml
@@ -0,0 +1,21 @@
+name = "JDBC"
+uuid = "6042db11-3c3d-5e84-8dba-9cbf74c9ba48"
+
+[deps]
+DataStreams = "9a8bc11e-79be-5b39-94d7-1ccc349a1a85"
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+JavaCall = "494afd89-becb-516b-aafa-70d2670c0337"
+
+[compat]
+DataFrames = "< 0.18.0"
+JavaCall = "≥ 0.7.0"
+julia = "≥ 0.7.0"
+
+[extras]
+DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[targets]
+test = ["Dates", "Pkg", "Test", "DataFrames"]
diff --git a/src/JDBC.jl b/src/JDBC.jl
index 979d6ae..4fe19b9 100644
--- a/src/JDBC.jl
+++ b/src/JDBC.jl
@@ -486,6 +486,9 @@ The column name
 """
 getColumnName(rsmd::JResultSetMetaData, col::Integer) = jcall(rsmd, "getColumnName", JString, (jint,), col)
 
+getColumnPrecision(rsmd::JResultSetMetaData, col::Integer) = jcall(rsmd, "getColumnPrecision", jint, (jint,), col)
+getColumnScale(rsmd::JResultSetMetaData, col::Integer) = jcall(rsmd, "getColumnScale", jint, (jint,), col)
+
 
 isNullable(rsmd::JResultSetMetaData, col::Integer) = jcall(rsmd, "isNullable", jint, (jint,), col)
 
@@ -557,12 +560,12 @@ global const get_method_dict = Dict(
         JDBC_COLTYPE_NCHAR => getNString,
         # JDBC_COLTYPE_NCLOB => 2011,
         # JDBC_COLTYPE_NULL => 0,
-        JDBC_COLTYPE_NUMERIC => getFloat,
+        JDBC_COLTYPE_NUMERIC => getDouble,
         JDBC_COLTYPE_NVARCHAR => getNString,
         # JDBC_COLTYPE_OTHER => 1111,
         JDBC_COLTYPE_REAL => getFloat,
         # JDBC_COLTYPE_REF => 2006,
-        JDBC_COLTYPE_ROWID => getInt,
+        JDBC_COLTYPE_ROWID => getLong,
         JDBC_COLTYPE_SMALLINT => getShort,
         # JDBC_COLTYPE_SQLXML => 2009,
         # JDBC_COLTYPE_STRUCT => 2002,