未验证 提交 e120f68a 编写于 作者: M Minglei Jin 提交者: GitHub

Merge pull request #10000 from taosdata/fix/TS-1159-2.4

[TS-1159]<fix>: fixed a bug for alter operation
......@@ -3439,10 +3439,7 @@ static int16_t doGetColumnIndex(SQueryInfo* pQueryInfo, int32_t index, SStrToken
strncpy(tmpTokenBuf, pToken->z, pToken->n);
pToken->z = tmpTokenBuf;
if (pToken->type == TK_ID) {
pToken->n = stringProcess(pToken->z, pToken->n);
}
pToken->n = stringProcess(pToken->z, pToken->n);
for (int16_t i = 0; i < numOfCols; ++i) {
if (pToken->n != strlen(pSchema[i].name)) {
......@@ -6835,7 +6832,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
}
SColumnIndex index = COLUMN_INDEX_INITIALIZER;
SStrToken name = {.z = pItem->pVar.pz, .n = pItem->pVar.nLen, .type = TK_STRING};
SStrToken name = {.z = pItem->pVar.pz, .n = pItem->pVar.nLen};
if (getColumnIndexByName(&name, pQueryInfo, &index, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
return TSDB_CODE_TSC_INVALID_OPERATION;
......@@ -6850,7 +6847,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
char name1[128] = {0};
strncpy(name1, pItem->pVar.pz, pItem->pVar.nLen);
stringProcess(name1, strlen(name1));
TAOS_FIELD f = tscCreateField(TSDB_DATA_TYPE_INT, name1, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
} else if (pAlterSQL->type == TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN) {
......@@ -6873,12 +6870,12 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
SColumnIndex srcIndex = COLUMN_INDEX_INITIALIZER;
SColumnIndex destIndex = COLUMN_INDEX_INITIALIZER;
SStrToken srcToken = {.z = pSrcItem->pVar.pz, .n = pSrcItem->pVar.nLen, .type = TK_STRING};
SStrToken srcToken = {.z = pSrcItem->pVar.pz, .n = pSrcItem->pVar.nLen};
if (getColumnIndexByName(&srcToken, pQueryInfo, &srcIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
return invalidOperationMsg(pMsg, msg17);
}
SStrToken destToken = {.z = pDstItem->pVar.pz, .n = pDstItem->pVar.nLen, .type = TK_STRING};
SStrToken destToken = {.z = pDstItem->pVar.pz, .n = pDstItem->pVar.nLen};
if (getColumnIndexByName(&destToken, pQueryInfo, &destIndex, tscGetErrorMsgPayload(pCmd)) == TSDB_CODE_SUCCESS) {
return invalidOperationMsg(pMsg, msg19);
}
......@@ -6887,6 +6884,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
char name[TSDB_COL_NAME_LEN] = {0};
strncpy(name, pItem->pVar.pz, pItem->pVar.nLen);
stringProcess(name, strlen(name));
TAOS_FIELD f = tscCreateField(TSDB_DATA_TYPE_INT, name, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
......@@ -6894,6 +6892,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
memset(name, 0, tListLen(name));
strncpy(name, pItem->pVar.pz, pItem->pVar.nLen);
stringProcess(name, strlen(name));
f = tscCreateField(TSDB_DATA_TYPE_INT, name, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
} else if (pAlterSQL->type == TSDB_ALTER_TABLE_UPDATE_TAG_VAL) {
......@@ -6906,7 +6905,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
int16_t numOfTags = tscGetNumOfTags(pTableMeta);
SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
SStrToken name = {.type = TK_STRING, .z = item->pVar.pz, .n = item->pVar.nLen};
SStrToken name = {.z = item->pVar.pz, .n = item->pVar.nLen};
if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
return TSDB_CODE_TSC_INVALID_OPERATION;
}
......@@ -7039,14 +7038,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
tVariantListItem* pItem = taosArrayGet(pAlterSQL->varList, 0);
SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
SStrToken name = {.type = TK_STRING, .z = pItem->pVar.pz, .n = pItem->pVar.nLen};
//handle Escape character backstick
bool inEscape = false;
if (name.z[0] == TS_BACKQUOTE_CHAR && name.z[name.n - 1] == TS_BACKQUOTE_CHAR) {
inEscape = true;
name.type = TK_ID;
}
SStrToken name = {.z = pItem->pVar.pz, .n = pItem->pVar.nLen};
if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
return invalidOperationMsg(pMsg, msg17);
......@@ -7058,13 +7050,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
char name1[TSDB_COL_NAME_LEN] = {0};
tstrncpy(name1, pItem->pVar.pz, sizeof(name1));
int32_t nameLen = pItem->pVar.nLen;
if (inEscape) {
memmove(name1, name1 + 1, nameLen);
name1[nameLen - TS_BACKQUOTE_CHAR_SIZE] = '\0';
}
stringProcess(name1, strlen(name1));
TAOS_FIELD f = tscCreateField(TSDB_DATA_TYPE_INT, name1, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
} else if (pAlterSQL->type == TSDB_ALTER_TABLE_CHANGE_COLUMN) {
......@@ -7072,21 +7058,13 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
return invalidOperationMsg(pMsg, msg16);
}
TAOS_FIELD* pItem = taosArrayGet(pAlterSQL->pAddColumns, 0);
if (pItem->type != TSDB_DATA_TYPE_BINARY && pItem->type != TSDB_DATA_TYPE_NCHAR) {
return invalidOperationMsg(pMsg, msg21);
}
SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
SStrToken name = {.type = TK_STRING, .z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
//handle Escape character backstick
bool inEscape = false;
if (name.z[0] == TS_BACKQUOTE_CHAR && name.z[name.n - 1] == TS_BACKQUOTE_CHAR) {
inEscape = true;
name.type = TK_ID;
}
SStrToken name = {.z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
return invalidOperationMsg(pMsg, msg17);
......@@ -7122,12 +7100,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
return invalidOperationMsg(pMsg, msg24);
}
if (inEscape) {
memmove(name.z, name.z + 1, name.n);
name.z[name.n - TS_BACKQUOTE_CHAR_SIZE] = '\0';
name.n -= TS_BACKQUOTE_CHAR_SIZE;
}
stringProcess(name.z, name.n);
TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
}else if (pAlterSQL->type == TSDB_ALTER_TABLE_MODIFY_TAG_COLUMN) {
......@@ -7141,13 +7114,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
}
SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
SStrToken name = {.type = TK_STRING, .z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
//handle Escape character backstick
if (name.z[0] == TS_BACKQUOTE_CHAR && name.z[name.n - 1] == TS_BACKQUOTE_CHAR) {
memmove(name.z, name.z + 1, name.n);
name.z[name.n - TS_BACKQUOTE_CHAR_SIZE] = '\0';
name.n -= TS_BACKQUOTE_CHAR_SIZE;
}
SStrToken name = {.z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
return invalidOperationMsg(pMsg, msg17);
}
......@@ -7188,6 +7155,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
return invalidOperationMsg(pMsg, msg24);
}
stringProcess(name.z, name.n);
TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
}
......
......@@ -859,7 +859,7 @@ cmd ::= ALTER TABLE ids(X) cpxName(Z) DROP TAG ids(Y). {
X.n += Z.n;
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, -1);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -869,10 +869,10 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) CHANGE TAG ids(Y) ids(Z). {
X.n += F.n;
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
toTSDBType(Z.type);
A = tVariantListAppendToken(A, &Z, -1, true);
A = tVariantListAppendToken(A, &Z, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, -1);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -882,7 +882,7 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) SET TAG ids(Y) EQ tagitem(Z). {
X.n += F.n;
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
A = tVariantListAppend(A, &Z, -1);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, -1);
......@@ -906,7 +906,7 @@ cmd ::= ALTER STABLE ids(X) cpxName(F) DROP COLUMN ids(A). {
X.n += F.n;
toTSDBType(A.type);
SArray* K = tVariantListAppendToken(NULL, &A, -1, true);
SArray* K = tVariantListAppendToken(NULL, &A, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, K, TSDB_ALTER_TABLE_DROP_COLUMN, TSDB_SUPER_TABLE);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -928,7 +928,7 @@ cmd ::= ALTER STABLE ids(X) cpxName(Z) DROP TAG ids(Y). {
X.n += Z.n;
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, TSDB_SUPER_TABLE);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -938,10 +938,10 @@ cmd ::= ALTER STABLE ids(X) cpxName(F) CHANGE TAG ids(Y) ids(Z). {
X.n += F.n;
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
toTSDBType(Z.type);
A = tVariantListAppendToken(A, &Z, -1, true);
A = tVariantListAppendToken(A, &Z, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, TSDB_SUPER_TABLE);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -951,7 +951,7 @@ cmd ::= ALTER STABLE ids(X) cpxName(F) SET TAG ids(Y) EQ tagitem(Z). {
X.n += F.n;
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
A = tVariantListAppend(A, &Z, -1);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, TSDB_SUPER_TABLE);
......
......@@ -3843,7 +3843,7 @@ static YYACTIONTYPE yy_reduce(
yymsp[-4].minor.yy0.n += yymsp[-3].minor.yy0.n;
toTSDBType(yymsp[0].minor.yy0.type);
SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, true);
SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-4].minor.yy0, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, -1);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -3854,10 +3854,10 @@ static YYACTIONTYPE yy_reduce(
yymsp[-5].minor.yy0.n += yymsp[-4].minor.yy0.n;
toTSDBType(yymsp[-1].minor.yy0.type);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, true);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, false);
toTSDBType(yymsp[0].minor.yy0.type);
A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, true);
A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-5].minor.yy0, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, -1);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -3868,7 +3868,7 @@ static YYACTIONTYPE yy_reduce(
yymsp[-6].minor.yy0.n += yymsp[-5].minor.yy0.n;
toTSDBType(yymsp[-2].minor.yy0.type);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, true);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, false);
A = tVariantListAppend(A, &yymsp[0].minor.yy162, -1);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-6].minor.yy0, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, -1);
......@@ -3894,7 +3894,7 @@ static YYACTIONTYPE yy_reduce(
yymsp[-4].minor.yy0.n += yymsp[-3].minor.yy0.n;
toTSDBType(yymsp[0].minor.yy0.type);
SArray* K = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, true);
SArray* K = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-4].minor.yy0, NULL, K, TSDB_ALTER_TABLE_DROP_COLUMN, TSDB_SUPER_TABLE);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -3919,7 +3919,7 @@ static YYACTIONTYPE yy_reduce(
yymsp[-4].minor.yy0.n += yymsp[-3].minor.yy0.n;
toTSDBType(yymsp[0].minor.yy0.type);
SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, true);
SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-4].minor.yy0, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, TSDB_SUPER_TABLE);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -3930,10 +3930,10 @@ static YYACTIONTYPE yy_reduce(
yymsp[-5].minor.yy0.n += yymsp[-4].minor.yy0.n;
toTSDBType(yymsp[-1].minor.yy0.type);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, true);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, false);
toTSDBType(yymsp[0].minor.yy0.type);
A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, true);
A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, false);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-5].minor.yy0, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, TSDB_SUPER_TABLE);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
......@@ -3944,7 +3944,7 @@ static YYACTIONTYPE yy_reduce(
yymsp[-6].minor.yy0.n += yymsp[-5].minor.yy0.n;
toTSDBType(yymsp[-2].minor.yy0.type);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, true);
SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, false);
A = tVariantListAppend(A, &yymsp[0].minor.yy162, -1);
SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-6].minor.yy0, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, TSDB_SUPER_TABLE);
......
# -*- coding: utf-8 -*-
import random
import string
import subprocess
import sys
from util.log import *
from util.cases import *
from util.sql import *
class TDTestCase:
def init(self, conn, logSql):
tdLog.debug("start to execute %s" % __file__)
tdSql.init(conn.cursor(), logSql)
def run(self):
tdLog.debug("check databases")
tdSql.prepare()
### test normal table
tdSql.execute("create database if not exists db")
tdSql.execute("use db")
tdSql.execute("create stable `sch.job.create` (`ts` TIMESTAMP, `tint` int, `node.value` NCHAR(7)) TAGS (`endpoint` NCHAR(7),`task.type` NCHAR(3))")
tdSql.execute("alter table `sch.job.create` modify tag `task.type` NCHAR(4)")
tdSql.execute("alter table `sch.job.create` change tag `task.type` `chan.type`")
tdSql.execute("alter table `sch.job.create` drop tag `chan.type`")
tdSql.execute("alter table `sch.job.create` add tag `add.type` NCHAR(6)")
tdSql.query("describe `sch.job.create`")
tdSql.checkData(4, 0, "add.type")
tdSql.execute("alter table `sch.job.create` modify column `node.value` NCHAR(8)")
tdSql.execute("alter table `sch.job.create` drop column `node.value`")
tdSql.execute("alter table `sch.job.create` add column `add.value` NCHAR(6)")
tdSql.query("describe `sch.job.create`")
tdSql.checkData(2, 0, "add.value")
tdSql.execute("insert into `tsch.job.create` using `sch.job.create`(`add.type`) TAGS('tag1') values(now, 1, 'here')")
tdSql.execute("alter table `tsch.job.create` set tag `add.type` = 'tag2'")
tdSql.query("select `add.type` from `tsch.job.create`")
tdSql.checkData(0, 0, "tag2")
### test stable
tdSql.execute("create stable `ssch.job.create` (`ts` TIMESTAMP, `tint` int, `node.value` NCHAR(7)) TAGS (`endpoint` NCHAR(7),`task.type` NCHAR(3))")
tdSql.execute("alter stable `ssch.job.create` modify tag `task.type` NCHAR(4)")
tdSql.execute("alter stable `ssch.job.create` change tag `task.type` `chan.type`")
tdSql.execute("alter stable `ssch.job.create` drop tag `chan.type`")
tdSql.execute("alter stable `ssch.job.create` add tag `add.type` NCHAR(6)")
tdSql.query("describe `ssch.job.create`")
tdSql.checkData(4, 0, "add.type")
tdSql.execute("alter stable `ssch.job.create` modify column `node.value` NCHAR(8)")
tdSql.execute("alter stable `ssch.job.create` drop column `node.value`")
tdSql.execute("alter stable `ssch.job.create` add column `add.value` NCHAR(6)")
tdSql.query("describe `ssch.job.create`")
tdSql.checkData(2, 0, "add.value")
tdSql.execute("insert into `tssch.job.create` using `ssch.job.create`(`add.type`) TAGS('tag1') values(now, 1, 'here')")
tdSql.error("alter stable `tssch.job.create` set tag `add.type` = 'tag2'")
def stop(self):
tdSql.close()
tdLog.success("%s successfully executed" % __file__)
tdCases.addWindows(__file__, TDTestCase())
tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
......@@ -417,6 +417,7 @@ python3 ./test.py -f insert/flushwhiledrop.py
python3 ./test.py -f alter/alterColMultiTimes.py
python3 ./test.py -f query/queryWildcardLength.py
python3 ./test.py -f query/queryTbnameUpperLower.py
python3 ./test.py -f alter/alterBackQuoteCol.py
python3 ./test.py -f query/query.py
python3 ./test.py -f query/queryDiffColsTagsAndOr.py
......
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