OCI: use TIMESTAMP(3) and tweak NLS_TIME[STAMP][_TZ]_FORMAT to accept…

… milliseconds Fixes OSGeo#11057
rouault · Oct 20, 2024 · e63a6e4 · e63a6e4
1 parent dea0d97
commit e63a6e4
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Showing 3 changed files with 21 additions and 13 deletions.
diff --git a/autotest/ogr/ogr_oci.py b/autotest/ogr/ogr_oci.py
@@ -54,7 +54,10 @@ def setup_tests():
     gdaltest.oci_ds.ExecuteSQL("DELLAYER:xpoly")
     gdaltest.oci_ds.ExecuteSQL("DELLAYER:testsrs")
     gdaltest.oci_ds.ExecuteSQL("DELLAYER:testsrs2")
-    gdaltest.oci_ds.ExecuteSQL("drop table geom_test")
+    try:
+        gdaltest.oci_ds.ExecuteSQL("drop table geom_test")
+    except Exception:
+        pass
     gdaltest.oci_ds.ExecuteSQL("DELLAYER:test_POINT")
     gdaltest.oci_ds.ExecuteSQL("DELLAYER:test_POINT3")
     gdaltest.oci_ds.ExecuteSQL("DELLAYER:test_LINESTRING")
@@ -730,16 +733,21 @@ def test_ogr_oci_19():
     feat.SetField("MYDATE", "2015/02/03")
     feat.SetField("MYDATETIME", "2015/02/03 11:33:44")
     lyr.CreateFeature(feat)
+    feat = ogr.Feature(lyr.GetLayerDefn())
+    feat.SetField("MYDATETIME", "2015/02/03 11:33:44.12345")
+    lyr.CreateFeature(feat)
     lyr.SyncToDisk()
 
-    sql_lyr = gdaltest.oci_ds.ExecuteSQL("SELECT MYDATE, MYDATETIME FROM testdate")
-    assert sql_lyr.GetLayerDefn().GetFieldDefn(0).GetType() == ogr.OFTDate
-    assert sql_lyr.GetLayerDefn().GetFieldDefn(1).GetType() == ogr.OFTDateTime
-    f = sql_lyr.GetNextFeature()
-    if f.GetField(0) != "2015/02/03" or f.GetField(1) != "2015/02/03 11:33:44":
-        f.DumpReadable()
-        pytest.fail()
-    gdaltest.oci_ds.ReleaseResultSet(sql_lyr)
+    with gdaltest.oci_ds.ExecuteSQL(
+        "SELECT MYDATE, MYDATETIME FROM testdate"
+    ) as sql_lyr:
+        assert sql_lyr.GetLayerDefn().GetFieldDefn(0).GetType() == ogr.OFTDate
+        assert sql_lyr.GetLayerDefn().GetFieldDefn(1).GetType() == ogr.OFTDateTime
+        f = sql_lyr.GetNextFeature()
+        assert f.GetField(0) == "2015/02/03"
+        assert f.GetField(1) == "2015/02/03 11:33:44"
+        f = sql_lyr.GetNextFeature()
+        assert f.GetField(1) == "2015/02/03 11:33:44.123"
 
 
 ###############################################################################

diff --git a/ogr/ogrsf_frmts/oci/ogrocisession.cpp b/ogr/ogrsf_frmts/oci/ogrocisession.cpp
@@ -318,9 +318,9 @@ int OGROCISession::EstablishSession(const char *pszUseridIn,
     OGROCIStatement oSetNLSTimeFormat(this);
     if (oSetNLSTimeFormat.Execute(
             "ALTER SESSION SET NLS_DATE_FORMAT='YYYY/MM/DD' \
-        NLS_TIME_FORMAT='HH24:MI:SS' NLS_TIME_TZ_FORMAT='HH24:MI:SS TZHTZM' \
-        NLS_TIMESTAMP_FORMAT='YYYY/MM/DD HH24:MI:SS' \
-        NLS_TIMESTAMP_TZ_FORMAT='YYYY/MM/DD HH24:MI:SS TZHTZM' \
+        NLS_TIME_FORMAT='HH24:MI:SS' NLS_TIME_TZ_FORMAT='HH24:MI:SS.FF TZHTZM' \
+        NLS_TIMESTAMP_FORMAT='YYYY/MM/DD HH24:MI:SS.FF' \
+        NLS_TIMESTAMP_TZ_FORMAT='YYYY/MM/DD HH24:MI:SS.FF TZHTZM' \
         NLS_NUMERIC_CHARACTERS = '. '") != CE_None)
         return OGRERR_FAILURE;
 

diff --git a/ogr/ogrsf_frmts/oci/ogrociwritablelayer.cpp b/ogr/ogrsf_frmts/oci/ogrociwritablelayer.cpp
@@ -291,7 +291,7 @@ OGRErr OGROCIWritableLayer::CreateField(const OGRFieldDefn *poFieldIn,
     }
     else if (oField.GetType() == OFTDateTime)
     {
-        snprintf(szFieldType, sizeof(szFieldType), "TIMESTAMP");
+        snprintf(szFieldType, sizeof(szFieldType), "TIMESTAMP(3)");
     }
     else if (bApproxOK)
     {