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[enhancement](mysql) Add have_query_cache variable to be compatible with old mysql client (#21701)

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zy-kkk
2023-07-11 14:05:40 +08:00
committed by GitHub
parent 8d98f2ac7e
commit 7a758f7944
3 changed files with 16 additions and 0 deletions
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8
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
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@ -96,6 +96,7 @@ public class SessionVariable implements Serializable, Writable {
public static final String SQL_SAFE_UPDATES = "sql_safe_updates";
public static final String NET_BUFFER_LENGTH = "net_buffer_length";
public static final String CODEGEN_LEVEL = "codegen_level";
public static final String HAVE_QUERY_CACHE = "have_query_cache";
// mem limit can't smaller than bufferpool's default page size
public static final int MIN_EXEC_MEM_LIMIT = 2097152;
public static final String BATCH_SIZE = "batch_size";
@ -520,6 +521,9 @@ public class SessionVariable implements Serializable, Writable {
@VariableMgr.VarAttr(name = CODEGEN_LEVEL)
public int codegenLevel = 0;
@VariableMgr.VarAttr(name = HAVE_QUERY_CACHE, flag = VariableMgr.READ_ONLY)
public boolean haveQueryCache = false;
// 4096 minus 16 + 16 bytes padding that in padding pod array
@VariableMgr.VarAttr(name = BATCH_SIZE, fuzzy = true)
public int batchSize = 4064;
@ -1344,6 +1348,10 @@ public class SessionVariable implements Serializable, Writable {
return codegenLevel;
}
public boolean getHaveQueryCache() {
return haveQueryCache;
}
/**
* setMaxExecMemByte.
**/