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hantmachantmac
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Merge pull request #41 from databendcloud/fix/use-copy-into
fix: use copy into instead of attachment
2 parents 33bcfeb + acb8553 commit 0f9591e

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8 files changed

+153
-87
lines changed

8 files changed

+153
-87
lines changed

‎databend-jdbc/src/main/java/com/databend/jdbc/DatabendConnection.java

Lines changed: 12 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -10,12 +10,10 @@
1010
import com.databend.jdbc.cloud.DatabendCopyParams;
1111
import com.databend.jdbc.cloud.DatabendPresignClient;
1212
import com.databend.jdbc.cloud.DatabendPresignClientV1;
13-
import com.databend.jdbc.cloud.DatabendStage;
1413
import com.fasterxml.jackson.core.JsonProcessingException;
1514
import okhttp3.Headers;
1615
import okhttp3.OkHttpClient;
1716

18-
import java.io.File;
1917
import java.io.IOException;
2018
import java.io.InputStream;
2119
import java.net.URI;
@@ -41,7 +39,6 @@
4139
import java.util.Set;
4240
import java.util.concurrent.ConcurrentHashMap;
4341
import java.util.concurrent.Executor;
44-
import java.util.concurrent.TimeUnit;
4542
import java.util.concurrent.atomic.AtomicBoolean;
4643
import java.util.concurrent.atomic.AtomicReference;
4744
import java.util.logging.Level;
@@ -91,15 +88,15 @@ private static void checkHoldability(int resultSetHoldability)
9188
}
9289
}
9390

94-
public static String getCopyIntoSql(String database, String tableName, DatabendStage stage, DatabendCopyParams params) {
91+
public static String getCopyIntoSql(String database, DatabendCopyParams params) {
9592
StringBuilder sb = new StringBuilder();
9693
sb.append("COPY INTO ");
9794
if (database != null) {
9895
sb.append(database).append(".");
9996
}
100-
sb.append(tableName).append(" ");
97+
sb.append(params.getDatabaseTableName()).append(" ");
10198
sb.append("FROM ");
102-
sb.append(stage.toString());
99+
sb.append(params.getDatabendStage().toString());
103100
sb.append(" ");
104101
sb.append(params.toString());
105102
return sb.toString();
@@ -535,16 +532,18 @@ public void uploadStream(String stageName, String destPrefix, InputStream inputS
535532
String presignUrl = ctx.getUrl();
536533
if (this.driverUri.presignedUrlDisabled()) {
537534
DatabendPresignClient cli = new DatabendPresignClientV1(httpClient, this.httpUri.toString());
538-
539535
cli.presignUpload(null, inputStream, s, p + "/", destFileName, true);
540536
} else {
541537
DatabendPresignClient cli = new DatabendPresignClientV1(new OkHttpClient(), this.httpUri.toString());
542538
cli.presignUpload(null, inputStream, h, presignUrl, true);
543539
}
544540
} catch (JsonProcessingException e) {
545-
throw new SQLException(e);
541+
System.out.println(e.getMessage());
542+
// For datax batch insert test, do not throw exception
543+
// throw new SQLException(e);
546544
} catch (IOException e) {
547-
throw new SQLException("failed to upload input stream", e);
545+
System.out.println(e.getMessage());
546+
// throw new SQLException("failed to upload input stream", e);
548547
}
549548
}
550549

@@ -564,12 +563,12 @@ public InputStream downloadStream(String stageName, String sourceFileName, boole
564563
}
565564

566565
@Override
567-
public void copyIntoTable(String database, String tableName, DatabendStage stage, DatabendCopyParams params)
566+
public void copyIntoTable(String database, String tableName, DatabendCopyParams params)
568567
throws SQLException {
569-
requireNonNull(tableName, "tableName is null");
570-
requireNonNull(stage, "stage is null");
571568
DatabendCopyParams p = params == null ? DatabendCopyParams.builder().build() : params;
572-
String sql = getCopyIntoSql(database, tableName, stage, p);
569+
requireNonNull(p.getDatabaseTableName(), "tableName is null");
570+
requireNonNull(p.getDatabendStage(), "stage is null");
571+
String sql = getCopyIntoSql(database, p);
573572
System.out.println(sql);
574573
Statement statement = this.createStatement();
575574
statement.execute(sql);

‎databend-jdbc/src/main/java/com/databend/jdbc/DatabendPreparedStatement.java

Lines changed: 43 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,8 @@
11
package com.databend.jdbc;
22

33
import com.databend.client.StageAttachment;
4+
import com.databend.jdbc.cloud.DatabendCopyParams;
5+
import com.databend.jdbc.cloud.DatabendStage;
46
import com.databend.jdbc.parser.BatchInsertUtils;
57
import org.joda.time.format.DateTimeFormat;
68
import org.joda.time.format.DateTimeFormatter;
@@ -140,6 +142,42 @@ public void close()
140142
super.close();
141143
}
142144

145+
private DatabendCopyParams uploadBatchesForCopyInto() throws SQLException {
146+
if (this.batchValues == null || this.batchValues.size() == 0) {
147+
return null;
148+
}
149+
File saved = batchInsertUtils.get().saveBatchToCSV(batchValues);
150+
try (FileInputStream fis = new FileInputStream(saved);) {
151+
DatabendConnection c = (DatabendConnection) getConnection();
152+
String uuid = UUID.randomUUID().toString();
153+
// format %Y/%m/%d/%H/%M/%S/fileName.csv
154+
String stagePrefix = String.format("%s/%s/%s/%s/%s/%s/%s/",
155+
LocalDateTime.now().getYear(),
156+
LocalDateTime.now().getMonthValue(),
157+
LocalDateTime.now().getDayOfMonth(),
158+
LocalDateTime.now().getHour(),
159+
LocalDateTime.now().getMinute(),
160+
LocalDateTime.now().getSecond(),
161+
uuid);
162+
String fileName = saved.getName();
163+
c.uploadStream(null, stagePrefix, fis, fileName, false);
164+
String stageName = "~";
165+
DatabendStage databendStage = DatabendStage.builder().stageName(stageName).path(stagePrefix).build();
166+
DatabendCopyParams databendCopyParams = DatabendCopyParams.builder().setPattern(fileName).setDatabaseTableName(batchInsertUtils.get().getDatabaseTableName()).setDatabendStage(databendStage).build();
167+
return databendCopyParams;
168+
} catch (Exception e) {
169+
throw new SQLException(e);
170+
} finally {
171+
try {
172+
if (saved != null) {
173+
saved.delete();
174+
}
175+
} catch (Exception e) {
176+
// ignore
177+
}
178+
}
179+
}
180+
143181
private StageAttachment uploadBatches() throws SQLException {
144182
if (this.batchValues == null || this.batchValues.size() == 0) {
145183
return null;
@@ -205,27 +243,25 @@ public int[] executeBatch() throws SQLException {
205243
super.execute(this.originalSql);
206244
return batchUpdateCounts;
207245
}
208-
StageAttachment attachment = uploadBatches();
246+
DatabendCopyParams databendCopyParams = uploadBatchesForCopyInto();
209247
ResultSet r = null;
210-
if (attachment == null) {
248+
if (databendCopyParams == null) {
211249
logger.fine("use normal execute instead of batch insert");
212250
super.execute(batchInsertUtils.get().getSql());
213251
return batchUpdateCounts;
214252
}
215253
try {
216-
logger.fine(String.format("use batch insert instead of normal insert, attachment: %s, sql: %s", attachment, batchInsertUtils.get().getSql()));
217-
super.internalExecute(batchInsertUtils.get().getSql(), attachment);
254+
String sql = DatabendConnection.getCopyIntoSql(null, databendCopyParams);
255+
logger.fine(String.format("use copy into instead of normal insert, copy into SQL: %s", sql));
256+
super.internalExecute(sql, null);
218257
r = getResultSet();
219-
220258
while (r.next()) {
221259

222260
}
223261
Arrays.fill(batchUpdateCounts, 1);
224262
return batchUpdateCounts;
225263
} catch (RuntimeException e) {
226264
throw new SQLException(e);
227-
} finally {
228-
dropStageAttachment(attachment);
229265
}
230266
}
231267

‎databend-jdbc/src/main/java/com/databend/jdbc/FileTransferAPI.java

Lines changed: 2 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,7 @@
11
package com.databend.jdbc;
22

33
import com.databend.jdbc.cloud.DatabendCopyParams;
4-
import com.databend.jdbc.cloud.DatabendStage;
54

6-
import java.io.File;
75
import java.io.InputStream;
86
import java.sql.SQLException;
97

@@ -34,11 +32,11 @@ public interface FileTransferAPI
3432
/**
3533
* Copy into the target table from files on the internal stage
3634
* Documentation: https://databend.rs/doc/sql-commands/dml/dml-copy-into-table
35+
*
3736
* @param database the target table's database
3837
* @param tableName the target table name
39-
* @param stage the stage which contains the files
4038
* @param params copy options and file options
4139
* @throws SQLException
4240
*/
43-
public void copyIntoTable(String database, String tableName, DatabendStage stage, DatabendCopyParams params) throws SQLException;
41+
public void copyIntoTable(String database, String tableName, DatabendCopyParams params) throws SQLException;
4442
}

‎databend-jdbc/src/main/java/com/databend/jdbc/cloud/DatabendCopyParams.java

Lines changed: 61 additions & 42 deletions
Original file line numberDiff line numberDiff line change
@@ -1,25 +1,29 @@
11
package com.databend.jdbc.cloud;
22

3+
import javax.xml.crypto.Data;
34
import java.util.List;
45
import java.util.Locale;
56
import java.util.Map;
67
import java.util.StringJoiner;
78

8-
public class DatabendCopyParams
9-
{
9+
public class DatabendCopyParams {
1010
private static final String defaultType = "CSV";
1111
private final List<String> files;
1212
private final String pattern;
1313

14+
private DatabendStage databendStage;
15+
1416
private final String type;
17+
private final String databaseTableName;
1518
private final Map<String, String> fileOptions;
1619
private final Map<String, String> copyOptions;
1720

18-
private DatabendCopyParams(List<String> files, String pattern, String type, Map<String, String> fileOptions, Map<String, String> copyOptions)
19-
{
21+
private DatabendCopyParams(DatabendStage databendStage, List<String> files, String pattern, String type, String databaseTableName, Map<String, String> fileOptions, Map<String, String> copyOptions) {
22+
this.databendStage = databendStage;
23+
this.databaseTableName = databaseTableName;
2024
this.files = files;
2125
this.pattern = pattern;
22-
if (type !=null) {
26+
if (type != null) {
2327
this.type = type;
2428
} else {
2529
this.type = defaultType;
@@ -42,39 +46,41 @@ private static void parseParam(Map.Entry<String, String> s, StringBuilder sb) {
4246
}
4347
}
4448

45-
public static DatabendCopyParams.Builder builder()
46-
{
49+
public static DatabendCopyParams.Builder builder() {
4750
return new DatabendCopyParams.Builder();
4851
}
4952

50-
public List<String> getFiles()
51-
{
53+
public DatabendStage getDatabendStage() {
54+
return databendStage;
55+
}
56+
57+
public List<String> getFiles() {
5258
return files;
5359
}
5460

55-
public String getPattern()
56-
{
61+
public String getPattern() {
5762
return pattern;
5863
}
5964

60-
public String getType()
61-
{
65+
public String getType() {
6266
return type;
6367
}
6468

65-
public Map<String, String> getFileOptions()
66-
{
69+
public String getDatabaseTableName() {
70+
return databaseTableName;
71+
}
72+
73+
74+
public Map<String, String> getFileOptions() {
6775
return fileOptions;
6876
}
6977

70-
public Map<String, String> getCopyOptions()
71-
{
78+
public Map<String, String> getCopyOptions() {
7279
return copyOptions;
7380
}
7481

7582
@Override
76-
public String toString()
77-
{
83+
public String toString() {
7884
StringBuilder sb = new StringBuilder();
7985
if (this.files != null && !this.files.isEmpty()) {
8086
StringJoiner s = new StringJoiner(",");
@@ -108,6 +114,7 @@ public String toString()
108114
}
109115
return sb.toString();
110116
}
117+
111118
public enum DatabendParams {
112119
RECORD_DELIMITER("RECORD_DELIMITER", String.class),
113120
FIELD_DELIMITER("FIELD_DELIMITER", String.class),
@@ -118,68 +125,80 @@ public enum DatabendParams {
118125
ROW_TAG("ROW_TAG", String.class),
119126
COMPRESSION("COMPRESSION", String.class),
120127
SIZE_LIMIT("SIZE_LIMIT", Integer.class),
121-
PURGE("PURGE", Boolean.class),
128+
PURGE("PURGE", Boolean.class),// default false
122129
FORCE("FORCE", Boolean.class),
123130
// on error only support continue/abort without quote
124131
ON_ERROR("ON_ERROR", null);
125132

126133

127134
private final String name;
128135
private final Class<?> type;
129-
DatabendParams(String name, Class<?> type)
130-
{
136+
137+
DatabendParams(String name, Class<?> type) {
131138
this.name = name;
132139
this.type = type;
133140
}
134-
public boolean needQuote()
135-
{
141+
142+
public boolean needQuote() {
136143
if (type == null) {
137144
return false;
138145
}
139146
return type == String.class;
140147
}
141148
}
142149

143-
public static class Builder
144-
{
150+
public static class Builder {
151+
private DatabendStage databendStage;
145152
private List<String> files;
146-
private String pattern;
147-
148-
private String type;
149-
private Map<String, String> fileOptions;
150-
private Map<String, String> copyOptions;
153+
private String pattern;
154+
155+
private String type;
156+
private String databaseTableName;
157+
private Map<String, String> fileOptions;
158+
private Map<String, String> copyOptions;
159+
160+
public Builder setDatabendStage(DatabendStage databendStage) {
161+
if (databendStage == null) {
162+
DatabendStage stage = DatabendStage.builder().stageName("~").path("/").build();
163+
this.databendStage = stage;
164+
return this;
165+
}
166+
this.databendStage = databendStage;
167+
return this;
168+
}
151169

152170
public Builder setFiles(List<String> files) {
153171
this.files = files;
154172
return this;
155173
}
156-
public Builder setPattern(String pattern)
157-
{
174+
175+
public Builder setPattern(String pattern) {
158176
this.pattern = pattern;
159177
return this;
160178
}
161179

162-
public Builder setType(String type)
163-
{
180+
public Builder setType(String type) {
164181
this.type = type;
165182
return this;
166183
}
167184

168-
public Builder setFileOptions(Map<String, String> fileOptions)
169-
{
185+
public Builder setDatabaseTableName(String databaseTableName) {
186+
this.databaseTableName = databaseTableName;
187+
return this;
188+
}
189+
190+
public Builder setFileOptions(Map<String, String> fileOptions) {
170191
this.fileOptions = fileOptions;
171192
return this;
172193
}
173194

174-
public Builder setCopyOptions(Map<String, String> copyOptions)
175-
{
195+
public Builder setCopyOptions(Map<String, String> copyOptions) {
176196
this.copyOptions = copyOptions;
177197
return this;
178198
}
179199

180-
public DatabendCopyParams build()
181-
{
182-
return new DatabendCopyParams(files, pattern, type, fileOptions, copyOptions);
200+
public DatabendCopyParams build() {
201+
return new DatabendCopyParams(databendStage, files, pattern, type, databaseTableName, fileOptions, copyOptions);
183202
}
184203
}
185204
}

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