Changeset: c224dedd2719 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=c224dedd2719
Added Files:
tools/embedded/java-package/org_monetdb_embedded_result_EmbeddedQueryResult.c
Removed Files:
tools/embedded/java-package/other.c
tools/embedded/java-package/src/main/java/org/monetdb/embedded/result/QueryResult.java
tools/embedded/java-package/src/main/java/org/monetdb/embedded/result/Result.java
Modified Files:
tools/embedded/java-package/org_monetdb_embedded_MonetDBEmbedded.c
tools/embedded/java-package/src/main/java/org/monetdb/embedded/result/column/IntegerColumn.java
Branch: embedded-java
Log Message:
Add single column retrival (WIP)
Clean up old code
diffs (truncated from 448 to 300 lines):
diff --git a/tools/embedded/java-package/org_monetdb_embedded_MonetDBEmbedded.c
b/tools/embedded/java-package/org_monetdb_embedded_MonetDBEmbedded.c
--- a/tools/embedded/java-package/org_monetdb_embedded_MonetDBEmbedded.c
+++ b/tools/embedded/java-package/org_monetdb_embedded_MonetDBEmbedded.c
@@ -24,14 +24,9 @@ JNIEXPORT jint JNICALL Java_org_monetdb_
return monetdb_startup(dir, silent_char);
}
-/*
- * Class: org_monetdb_embedded_MonetDBEmbedded
- * Method: query
- * Signature:
(Ljava/lang/String;)Lorg/monetdb/embedded/result/EmbeddedQueryResult;
- */
JNIEXPORT jobject JNICALL Java_org_monetdb_embedded_MonetDBEmbedded_query
(JNIEnv *env, jobject object, jstring query) {
- res_table* output = NULL;
+ res_table *output = NULL;
const char *query_string = (*env)->GetStringUTFChars(env, query, 0);
jobject *result;
@@ -115,16 +110,11 @@ JNIEXPORT jobject JNICALL Java_org_monet
return result;
}
-/*
- * Class: org_monetdb_embedded_MonetDBLite
- * Method: append
- * Signature:
(Ljava/lang/String;Ljava/lang/String;Ljava/lang/reflect/Array;)Ljava/lang/String;
- */
JNIEXPORT jstring JNICALL Java_org_monetdb_embedded_MonetDBLite_append
(JNIEnv *env, jobject object, jstring schema_name, jstring table_name, jobject
data) {
const char *schema_name = (*env)->GetStringUTFChars(env, schema, 0);
const char *table_name = (*env)->GetStringUTFChars(env, table, 0);
+ (void)data;
- (*env)->ReleaseStringUTFChars(env, string, str);
- return (*env)->NewStringUTF(env, strupr(cap));
+ return (*env)->NewStringUTF(env, "");
}
diff --git
a/tools/embedded/java-package/org_monetdb_embedded_result_EmbeddedQueryResult.c
b/tools/embedded/java-package/org_monetdb_embedded_result_EmbeddedQueryResult.c
new file mode 100644
--- /dev/null
+++
b/tools/embedded/java-package/org_monetdb_embedded_result_EmbeddedQueryResult.c
@@ -0,0 +1,66 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Copyright 2008-2015 MonetDB B.V.
+ */
+
+#include "org_monetdb_embedded_result_EmbeddedQueryResult.h"
+#include "embedded.h"
+
+JNIEXPORT jobject JNICALL
Java_org_monetdb_embedded_result_EmbeddedQueryResult_getColumnWrapper
+(JNIEnv *env, jobject object, jlong resultTablePointer, jint columnIndex) {
+ // The result table
+ res_table* result = (res_table *)resultTablePointer;
+ // Get the column we need
+ res_col col = output->cols[columnIndex];
+ BAT* b = BATdescriptor(col.b);
+ int size = BATcount(b);
+ // The values and nulls arrays
+ jintArray values = (*env)->NewIntArray(env, size);
+ jbooleanArray nulls = (*env)->NewBooleanArray(env, size);
+
+ jobect *column;
+ jclass columnClass = (*env)->FindClass(env,
"org/monetdb/embedded/result/column/IntegerColumn");
+ // from Java IntegerColumn(int[] values, int columnSize, boolean[]
nullIndex)
+ jmethodID columnConstructor = (*env)->GetMethodID(env, columnClass,
"<init>", "([II[Z)V");
+
+ int i = 0;
+ int val_tmp[size];
+ jboolean nul_tmp[size];
+ if (b->T->nonil && !b->T->nil) {
+ for (i = 0; i < size; i++) {
+ val_tmp[i] = (int) ((int*) Tloc(b, BUNfirst(b)))[i];
+ }
+ }
+ else {
+ for (i = 0; i < size; i++) {
+ int v = ((int*) Tloc(b, BUNfirst(b)))[i];
+ if (v == int##_nil) {
+ val_tmp[i] = 0;
+ nul_tmp = JNI_TRUE;
+
+ } else {
+ val_tmp[i] = (int)v;
+ nul_tmp = JNI_FALSE;
+ }
+ }
+ }
+ // Move from the tmp C arrays to a Java arrays
+ (*env)->SetIntArrayRegion(env, values, 0, size, val_tmp);
+ (*env)->SetBooleanArrayRegion(env, nulls, 0, size, nul_tmp);
+
+ // Create the column object
+ // from Java IntegerColumn(int[] values, int columnSize, boolean[]
nullIndex)
+ result = (*env)->NewObject(env, columnClass, columnConstructor, values,
size, nulls);
+
+ return column;
+}
+
+JNIEXPORT void JNICALL
Java_org_monetdb_embedded_result_EmbeddedQueryResult_cleanupResult
+(JNIEnv *env, jobject object, jlong resultTablePointer) {
+ res_table* result = (res_table *)resultTablePointer;
+
+ monetdb_cleanup_result(result);
+}
diff --git a/tools/embedded/java-package/other.c
b/tools/embedded/java-package/other.c
deleted file mode 100644
--- a/tools/embedded/java-package/other.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * Copyright 2008-2015 MonetDB B.V.
- */
-
-#include "org_monetdb_embedded_MonetDBEmbedded.h"
-#include "embedded.h"
-#include "gdk.h"
-
-/*
- * Class: org_monetdb_embedded_MonetDBEmbedded
- * Method: query
- * Signature:
(Ljava/lang/String;)Lorg/monetdb/embedded/result/EmbeddedQueryResult;
- */
-JNIEXPORT jobject JNICALL Java_org_monetdb_embedded_MonetDBEmbedded_query
-(JNIEnv *, jobject, jstring) {
- const char *query_string = (*env)->GetStringUTFChars(env, query, 0);
- res_table* output = NULL;
- jobjectArray *result;
- jclass resultClass = (*env)->FindClass(env,
"org/monetdb/embedded/Result");
-
- // In case we cant find the result object class
- if (resultClass == NULL) {
- return NULL;
- }
-
- char* err = monetdb_query(query_string, (void**)&output);
- // Release the query string
- (*env)->ReleaseStringUTFChars(env, query, query_string);
-
- if (err != NULL) {
- jclass exClass = (*env)->FindClass(env,
"java/sql/SQLException");
-
- // Clean up the result data
- monetdb_cleanup_result(output);
- if (exClass == NULL) {
- // Cloud not find the exception class, just return
empty object
- return NULL;
- }
- return (*env)->ThrowNew(env, exClass, err);
- }
-
- // Create the result object
- result = (*env)->NewObjectArray(env, output->nr_cols, resultClass,
NULL);
- if (output && output->nr_cols > 0) {
- int i;
- for (i = 0; i < output->nr_cols; i++) {
- res_col col = output->cols[i];
- BAT* b = BATdescriptor(col.b);
- char *type_string;
- int size = BATcount(b);
- int j = 0;
- jobject *array;
- jclass arrayClass = (*env)->FindClass(env,
"java/lang/reflect/Array");
-
- // Set the Java array, depending on its type
- varvalue = bat_to_sexp(b);
- if (varvalue == NULL) {
- switch (ATOMstorage(getColumnType(b->T->type)))
{
- case TYPE_int:
- type_string = "integer";
- jintArray array =
(*env)->NewIntArray(env, size);
- for (j = 0; j < size; i++) {
- b->
- }
- // move from the temp structure to the
java structure
- (*env)->SetIntArrayRegion(env, result,
0, size, fill);
- break;
- case TYPE_lng:
- break;
- default:
- }
- // Set the meta fields in the result object
- jstring name =
(jstring)(*env)->NewStringUTF(env, col.name);
- jstring type =
(jstring)(*env)->NewStringUTF(env, type_string);
-
- // Construct a single result object
- jmethodID resultConstructor =
(*env)->GetMethodID(env, resultClass, "<init>",
"([L;LJAVA/LANG/STRING;LJAVA/LANG/STRING)V");
- jobject resultObject = (*env)->NewObject(env,
resultClass, resultConstructor, array, name, type);
-
- // Add the result object to the result array
- (*env)->SetObjectArrayElement(env, result, i,
resultObject);
- }
- return result;
- }
- return result;
- }
-}
-
-JNIEXPORT jobject JNICALL Java_org_monetdb_embedded_MonetDBEmbedded_query
-(JNIEnv *, jobject, jstring) {
- jintArray array = (*env)->NewIntArray(env, size);
-
- BAT* b = BATdescriptor(col.b);
- int size = BATcount(b);
-
- int i = 0;
- int tmp[size];
- if (b->T->nonil && !b->T->nil) {
- for (i = 0; i < size; i++) {
- tmp[i] = (int) ((int*) Tloc(b, BUNfirst(b)))[i];
- }
- }
- // else {
- // for (i = 0; i < size; i++) {
- // int v = ((int*) Tloc(b, BUNfirst(b)))[i];
- // if (v == int##_nil) {
- // tmp[i] = naval;
- // } else {
- // tmp[i] = (int)v;
- // }
- // }
- // }
-
- // Move from the tmp C array to a Java array
- (*env)->SetIntArrayRegion(env, array, 0, size, tmp);
- return array;
-}
-
-/*
- * Class: org_monetdb_embedded_MonetDBLite
- * Method: append
- * Signature:
(Ljava/lang/String;Ljava/lang/String;Ljava/lang/reflect/Array;)Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_org_monetdb_embedded_MonetDBLite_append
-(JNIEnv *env, jobject object, jstring schema_name, jstring table_name, jobject
data) {
- const char *schema_name = (*env)->GetStringUTFChars(env, schema, 0);
- const char *table_name = (*env)->GetStringUTFChars(env, table, 0);
-
- (*env)->ReleaseStringUTFChars(env, string, str);
- return (*env)->NewStringUTF(env, strupr(cap));
-}
diff --git
a/tools/embedded/java-package/src/main/java/org/monetdb/embedded/result/QueryResult.java
b/tools/embedded/java-package/src/main/java/org/monetdb/embedded/result/QueryResult.java
deleted file mode 100644
---
a/tools/embedded/java-package/src/main/java/org/monetdb/embedded/result/QueryResult.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * Copyright 2008-2015 MonetDB B.V.
- */
-
-package org.monetdb.embedded.result;
-
-import java.io.Closeable;
-import java.io.IOException;
-import java.lang.reflect.Array;
-import java.sql.Blob;
-import java.sql.SQLException;
-import java.sql.Timestamp;
-
-public class QueryResult implements Closeable {
- private Array[] columns;
- private String[] columnNames;
- private String[] columnTypes;
-
- /**
- * Returns the number of columns in a result set.
- *
- * @return Number of columns
- */
- public int numberOfColumns() {
- return columns.length;
- }
-
- /**
- * Get a column from the result set by index.
- *
- * @param id Column index (starting from 0)
- * @return The columns as an array, {@code null} if index not in bounds
- * @throws SQLException
- */
- public Array getColumn(int index) throws SQLException,
IndexOutOfBoundsException {
- if (index < 0 || index >= columns.length) {
- return null;
- }
- return getColumn(columns[index], columnTypes[index]);
- }
-
- /**
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