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Merge pull request #22468 from taosdata/fix/TS-3841-M 

fix: modify column length for super table
This commit is contained in:
dapan1121 2023-08-17 14:31:58 +08:00 committed by GitHub
parent e493a30a0b afca2164c4
commit df6c93fdb0
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 23 additions and 2 deletions
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5
source/dnode/mnode/impl/src/mndStb.c
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@ -1578,9 +1578,11 @@ static int32_t mndAlterStbColumnBytes(SMnode *pMnode, const SStbObj *pOld, SStbO
return -1;
}
col_id_t colId = pOld->pColumns[col].colId;
uint32_t nLen = 0;
for (int32_t i = 0; i < pOld->numOfColumns; ++i) {
nLen += (pOld->pColumns[i].colId == col) ? pField->bytes : pOld->pColumns[i].bytes;
nLen += (pOld->pColumns[i].colId == colId) ? pField->bytes : pOld->pColumns[i].bytes;
}
if (nLen > TSDB_MAX_BYTES_PER_ROW) {
@ -1588,7 +1590,6 @@ static int32_t mndAlterStbColumnBytes(SMnode *pMnode, const SStbObj *pOld, SStbO
return -1;
}
col_id_t colId = pOld->pColumns[col].colId;
if (mndCheckColAndTagModifiable(pMnode, pOld->name, pOld->uid, colId) != 0) {
return -1;
}

20
tests/script/tsim/alter/table.sim
View File

@ -671,6 +671,12 @@ sql alter table tb2023 add column v nchar(16379);
sql_error alter table tb2023 modify column v nchar(16380);
sql desc tb2023
print =============== modify column for normal table
sql create table ntb_ts3841(ts timestamp, c0 varchar(64000));
sql alter table ntb_ts3841 modify column c0 varchar(64001);
sql create table ntb1_ts3841(ts timestamp, c0 nchar(15000));
sql alter table ntb1_ts3841 modify column c0 nchar(15001);
print =============== error for super table
sql create table stb2023(ts timestamp, f int) tags(t1 int);
sql_error alter table stb2023 add column v varchar(65518);
@ -685,6 +691,20 @@ sql alter table stb2023 add column v nchar(16379);
sql_error alter table stb2023 modify column v nchar(16380);
sql desc stb2023
print =============== modify column/tag for super table
sql create table stb_ts3841(ts timestamp, c0 varchar(64000)) tags(t1 binary(16380));
sql alter table stb_ts3841 modify column c0 varchar(64001);
sql alter table stb_ts3841 modify tag t1 binary(16381);
sql alter table stb_ts3841 modify tag t1 binary(16382);
sql_error alter table stb_ts3841 modify tag t1 binary(16383);
sql create table stb1_ts3841(ts timestamp, c0 nchar(15000)) tags(t1 nchar(4093));
sql alter table stb1_ts3841 modify column c0 nchar(15001);
sql alter table stb1_ts3841 modify tag t1 nchar(4094);
sql alter table stb1_ts3841 modify tag t1 nchar(4095);
sql_error alter table stb1_ts3841 modify tag t1 nchar(4096);
sql_error alter table stb1_ts3841 modify tag t1 binary(16382);
print ======= over
sql drop database d1
sql select * from information_schema.ins_databases