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liulijia pushed a commit to branch fix-proxy-prepare
in repository https://gitbox.apache.org/repos/asf/doris.git
commit bf60474fd12c9a43fc761b06fe7f8a69d73e012b
Author: liutang123 <liuli...@gmail.com>
AuthorDate: Wed Mar 5 16:46:55 2025 +0800
[fix](Prepared Statment) Fix exec prepared insert stmt in non master error
---
.../trees/plans/commands/PrepareCommand.java | 2 +-
.../java/org/apache/doris/qe/ConnectContext.java | 7 ++++++
.../java/org/apache/doris/qe/ConnectProcessor.java | 27 +++++++++++++++++++++
.../java/org/apache/doris/qe/MasterOpExecutor.java | 7 ++++++
.../org/apache/doris/qe/MysqlConnectProcessor.java | 28 +++++++++++++++++++---
.../java/org/apache/doris/qe/StmtExecutor.java | 14 +++++++++--
gensrc/thrift/FrontendService.thrift | 1 +
7 files changed, 80 insertions(+), 6 deletions(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/PrepareCommand.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/PrepareCommand.java
index ed201e60c44..42274c5eaf8 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/PrepareCommand.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/PrepareCommand.java
@@ -110,7 +110,7 @@ public class PrepareCommand extends Command {
}
ctx.addPreparedStatementContext(name,
new PreparedStatementContext(this, ctx,
ctx.getStatementContext(), name));
- if (ctx.getCommand() == MysqlCommand.COM_STMT_PREPARE) {
+ if (ctx.getCommand() == MysqlCommand.COM_STMT_PREPARE &&
!ctx.isProxy()) {
executor.sendStmtPrepareOK(Integer.parseInt(name), labels);
}
}
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectContext.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectContext.java
index 2d3f8a60394..45b870b0c31 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectContext.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectContext.java
@@ -76,6 +76,8 @@ import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import io.netty.util.concurrent.FastThreadLocal;
+import lombok.Getter;
+import lombok.Setter;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@@ -83,6 +85,7 @@ import org.json.JSONObject;
import org.xnio.StreamConnection;
import java.io.IOException;
+import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
@@ -248,6 +251,10 @@ public class ConnectContext {
// it's default thread-safe
private boolean isProxy = false;
+ @Getter
+ @Setter
+ private ByteBuffer prepareExecuteBuffer;
+
private MysqlHandshakePacket mysqlHandshakePacket;
public void setUserQueryTimeout(int queryTimeout) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectProcessor.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectProcessor.java
index 0e51b7d3049..c8eb634efaf 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectProcessor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/ConnectProcessor.java
@@ -47,6 +47,7 @@ import org.apache.doris.datasource.CatalogIf;
import org.apache.doris.datasource.InternalCatalog;
import org.apache.doris.metric.MetricRepo;
import org.apache.doris.mysql.MysqlChannel;
+import org.apache.doris.mysql.MysqlCommand;
import org.apache.doris.mysql.MysqlPacket;
import org.apache.doris.mysql.MysqlSerializer;
import org.apache.doris.mysql.MysqlServerStatusFlag;
@@ -60,6 +61,7 @@ import org.apache.doris.nereids.parser.NereidsParser;
import org.apache.doris.nereids.parser.SqlDialectHelper;
import org.apache.doris.nereids.stats.StatsErrorEstimator;
import org.apache.doris.nereids.trees.plans.commands.ExplainCommand;
+import org.apache.doris.nereids.trees.plans.commands.PrepareCommand;
import org.apache.doris.nereids.trees.plans.logical.LogicalPlan;
import org.apache.doris.nereids.trees.plans.logical.LogicalSqlCache;
import org.apache.doris.proto.Data;
@@ -83,6 +85,7 @@ import org.apache.thrift.TException;
import java.io.IOException;
import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
@@ -647,6 +650,24 @@ public abstract class ConnectProcessor {
UUID uuid = UUID.randomUUID();
queryId = new TUniqueId(uuid.getMostSignificantBits(),
uuid.getLeastSignificantBits());
}
+ if (request.isSetPrepareExecuteBuffer()) {
+ ctx.setCommand(MysqlCommand.COM_STMT_PREPARE);
+ executor.execute();
+ ctx.setCommand(MysqlCommand.COM_STMT_EXECUTE);
+ String preparedStmtId = executor.getPrepareStmtName();
+ PreparedStatementContext preparedStatementContext =
ctx.getPreparedStementContext(preparedStmtId);
+ if (preparedStatementContext == null) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Something error, just support nereids
preparedStmtId:{}", preparedStmtId);
+ }
+ throw new RuntimeException("Prepare failed when proxy
execute");
+ }
+ handleExecute(preparedStatementContext.command,
Long.parseLong(preparedStmtId),
+ preparedStatementContext,
+
ByteBuffer.wrap(request.getPrepareExecuteBuffer()).order(ByteOrder.LITTLE_ENDIAN),
queryId);
+ } else {
+ executor.execute(queryId);
+ }
executor.queryRetry(queryId);
} catch (IOException e) {
// Client failed.
@@ -717,4 +738,10 @@ public abstract class ConnectProcessor {
throw new TException(e.getMessage());
}
}
+
+
+ protected void handleExecute(PrepareCommand prepareCommand, long stmtId,
PreparedStatementContext prepCtx,
+ ByteBuffer packetBuf, TUniqueId queryId) {
+ throw new NotSupportedException("Just MysqlConnectProcessor support
execute");
+ }
}
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/MasterOpExecutor.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/MasterOpExecutor.java
index 3db466d21e2..c9aa36eccc4 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/MasterOpExecutor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/MasterOpExecutor.java
@@ -25,6 +25,7 @@ import org.apache.doris.common.ClientPool;
import org.apache.doris.common.Config;
import org.apache.doris.common.DdlException;
import org.apache.doris.common.ErrorCode;
+import org.apache.doris.mysql.MysqlCommand;
import org.apache.doris.thrift.FrontendService;
import org.apache.doris.thrift.TExpr;
import org.apache.doris.thrift.TExprNode;
@@ -234,6 +235,12 @@ public class MasterOpExecutor {
if (ctx.isTxnModel()) {
params.setTxnLoadInfo(ctx.getTxnEntry().getTxnLoadInfoInObserver());
}
+
+ if (ctx.getCommand() == MysqlCommand.COM_STMT_EXECUTE) {
+ if (null != ctx.getPrepareExecuteBuffer()) {
+ params.setPrepareExecuteBuffer(ctx.getPrepareExecuteBuffer());
+ }
+ }
return params;
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/qe/MysqlConnectProcessor.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/MysqlConnectProcessor.java
index e7b5791c98c..71f0afd0f4a 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/MysqlConnectProcessor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/MysqlConnectProcessor.java
@@ -43,6 +43,7 @@ import
org.apache.doris.nereids.trees.expressions.literal.Literal;
import org.apache.doris.nereids.trees.plans.PlaceholderId;
import org.apache.doris.nereids.trees.plans.commands.ExecuteCommand;
import org.apache.doris.nereids.trees.plans.commands.PrepareCommand;
+import org.apache.doris.thrift.TUniqueId;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
@@ -104,7 +105,18 @@ public class MysqlConnectProcessor extends
ConnectProcessor {
}
}
- private void handleExecute(PrepareCommand prepareCommand, long stmtId,
PreparedStatementContext prepCtx) {
+ private String getHexStr(ByteBuffer packetBuf) {
+ byte[] bytes = packetBuf.array();
+ StringBuilder hex = new StringBuilder();
+ for (int i = packetBuf.position(); i < packetBuf.limit(); ++i) {
+ hex.append(String.format("%02X ", bytes[i]));
+ }
+ return hex.toString();
+ }
+
+ @Override
+ protected void handleExecute(PrepareCommand prepareCommand, long stmtId,
PreparedStatementContext prepCtx,
+ ByteBuffer packetBuf, TUniqueId queryId) {
int paramCount = prepareCommand.placeholderCount();
LOG.debug("execute prepared statement {}, paramCount {}", stmtId,
paramCount);
// null bitmap
@@ -112,6 +124,12 @@ public class MysqlConnectProcessor extends
ConnectProcessor {
try {
StatementContext statementContext = prepCtx.statementContext;
if (paramCount > 0) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("execute param buf: {}, array: {}", packetBuf,
getHexStr(packetBuf));
+ }
+ if (!ctx.isProxy()) {
+ ctx.setPrepareExecuteBuffer(packetBuf.duplicate());
+ }
byte[] nullbitmapData = new byte[(paramCount + 7) / 8];
packetBuf.get(nullbitmapData);
// new_params_bind_flag
@@ -152,7 +170,11 @@ public class MysqlConnectProcessor extends
ConnectProcessor {
stmt.setOrigStmt(prepareCommand.getOriginalStmt());
executor = new StmtExecutor(ctx, stmt);
ctx.setExecutor(executor);
- executor.execute();
+ if (null != queryId) {
+ executor.execute(queryId);
+ } else {
+ executor.execute();
+ }
if (ctx.getSessionVariable().isEnablePreparedStmtAuditLog()) {
stmtStr = executeStmt.toSql();
stmtStr = stmtStr + " /*originalSql = " +
prepareCommand.getOriginalStmt().originStmt + "*/";
@@ -195,7 +217,7 @@ public class MysqlConnectProcessor extends ConnectProcessor
{
"msg: Not supported such prepared statement");
return;
}
- handleExecute(preparedStatementContext.command, stmtId,
preparedStatementContext);
+ handleExecute(preparedStatementContext.command, stmtId,
preparedStatementContext, packetBuf, null);
}
// Process COM_QUERY statement,
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/StmtExecutor.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/StmtExecutor.java
index 3933b9bbd83..b5dab476fa8 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/StmtExecutor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/StmtExecutor.java
@@ -150,6 +150,7 @@ import org.apache.doris.nereids.glue.LogicalPlanAdapter;
import org.apache.doris.nereids.minidump.MinidumpUtils;
import org.apache.doris.nereids.parser.NereidsParser;
import
org.apache.doris.nereids.rules.exploration.mv.InitMaterializationContextHook;
+import org.apache.doris.nereids.trees.expressions.Placeholder;
import org.apache.doris.nereids.trees.plans.Plan;
import org.apache.doris.nereids.trees.plans.algebra.InlineTable;
import org.apache.doris.nereids.trees.plans.commands.Command;
@@ -288,6 +289,7 @@ public class StmtExecutor {
private Data.PQueryStatistics.Builder statisticsForAuditLog;
private boolean isCached;
private String stmtName;
+ private String prepareStmtName; // for prox
private String mysqlLoadId;
// Handle selects that fe can do without be
private boolean isHandleQueryInFe = false;
@@ -722,8 +724,12 @@ public class StmtExecutor {
}
long stmtId = Config.prepared_stmt_start_id > 0
? Config.prepared_stmt_start_id :
context.getPreparedStmtId();
- logicalPlan = new PrepareCommand(String.valueOf(stmtId),
- logicalPlan, statementContext.getPlaceholders(),
originStmt);
+ this.prepareStmtName = String.valueOf(stmtId);
+ // When proxy executing, this.statementContext is created in
constructor.
+ // But context.statementContext is created in LogicalPlanBuilder.
+ List<Placeholder> placeholders = context == null
+ ? statementContext.getPlaceholders() :
context.getStatementContext().getPlaceholders();
+ logicalPlan = new PrepareCommand(prepareStmtName, logicalPlan,
placeholders, originStmt);
}
// when we in transaction mode, we only support insert into command
and transaction command
if (context.isTxnModel()) {
@@ -3758,4 +3764,8 @@ public class StmtExecutor {
context.getMysqlChannel().sendOnePacket(byteBuffer);
}
}
+
+ public String getPrepareStmtName() {
+ return this.prepareStmtName;
+ }
}
diff --git a/gensrc/thrift/FrontendService.thrift
b/gensrc/thrift/FrontendService.thrift
index 128ff4aa6e8..c88caa707f2 100644
--- a/gensrc/thrift/FrontendService.thrift
+++ b/gensrc/thrift/FrontendService.thrift
@@ -382,6 +382,7 @@ struct TMasterOpRequest {
// transaction load
29: optional TTxnLoadInfo txnLoadInfo
30: optional TGroupCommitInfo groupCommitInfo
+ 31: optional binary prepareExecuteBuffer
// selectdb cloud
1000: optional string cloud_cluster
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