database/openGauss-server
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

!1792 压缩表建表提示优化、修改表拦截错误修改

Browse Source 
Merge pull request !1792 from 吴岳川/master
This commit is contained in:
opengauss-bot
2022-06-08 02:18:23 +00:00
committed by Gitee
parent 1556c03be6 11d53786f7
commit 005af36451
5 changed files with 123 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/gausskernel/optimizer/commands/tablecmds.cpp
View File

@ -1167,7 +1167,8 @@ static List* AddDefaultOptionsIfNeed(List* options, const char relkind, CreateSt
stmt->relation->relpersistence == RELPERSISTENCE_TEMP ||
stmt->relation->relpersistence == RELPERSISTENCE_GLOBAL_TEMP;
if (noSupportTable && tableCreateSupport.compressType) {
ereport(ERROR, (errcode(ERRCODE_INVALID_OPTION), errmsg("only row orientation table support compresstype.")));
ereport(ERROR, (errcode(ERRCODE_INVALID_OPTION), errmsg("compresstype can not be used in ustore table, segment table, "
"column table, view, unlogged table or temp table.")));
}
CheckCompressOption(&tableCreateSupport);
@ -14729,9 +14730,13 @@ static void ATExecSetRelOptions(Relation rel, List* defList, AlterTableType oper
errmsg("\"%s\" is not a table, view, materialized view, index, or TOAST table", RelationGetRelationName(rel))));
break;
}
if (rel->rd_options && REL_SUPPORT_COMPRESSED(rel)) {
SetupPageCompressForRelation(&rel->rd_node, &((StdRdOptions *)(rel->rd_options))->compress,
RelationGetRelationName(rel));
}
CheckSupportModifyCompression(rel, relOpt, defList);
/*
* All we need do here is update the pg_class row; the new options will be
* propagated into relcaches during post-commit cache inval.

2
src/gausskernel/storage/access/common/reloptions.cpp
View File

@ -2635,7 +2635,7 @@ void ForbidUserToSetCompressedOptions(List *options)
if (FindInvalidOption(options, unSupportOptions, lengthof(unSupportOptions), &firstInvalidOpt)) {
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
(errmsg("Un-support feature"), errdetail("Option \"%s\" doesn't allow ALTER on uncompressed table",
(errmsg("Un-support feature"), errdetail("Option \"%s\" doesn't allow ALTER",
unSupportOptions[firstInvalidOpt]))));
}
}

8
src/include/storage/page_compression.h
View File

@ -41,10 +41,10 @@
constexpr uint32 COMPRESS_ADDRESS_FLUSH_CHUNKS = 5000;
#define SUPPORT_COMPRESSED(relKind, relam) \
((relKind) == RELKIND_RELATION || ((relKind) == RELKIND_INDEX && (relam) == BTREE_AM_OID))
#define REL_SUPPORT_COMPRESSED(relation) \
(((relation)->rd_rel->relkind) == RELKIND_RELATION || \
(((relation)->rd_rel->relkind) == RELKIND_INDEX && ((relation)->rd_rel->relam) == BTREE_AM_OID))
((relKind) == RELKIND_RELATION || \
(((relKind) == RELKIND_INDEX || (relKind == RELKIND_GLOBAL_INDEX)) && (relam) == BTREE_AM_OID))
#define REL_SUPPORT_COMPRESSED(relation) SUPPORT_COMPRESSED((relation)->rd_rel->relkind, (relation)->rd_rel->relam)
typedef uint32 pc_chunk_number_t;
const uint32 PAGE_COMPRESSION_VERSION = 92603;

97
src/test/regress/expected/row_compression/unsupported_feature.out
View File

@ -1,46 +1,46 @@
create schema unspported_feature;
create schema unsupported_feature;
-- unspport compressType: 3
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=3, compress_chunk_size=1024);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=3, compress_chunk_size=1024);
ERROR: value 3 out of bounds for option "compresstype"
DETAIL: Valid values are between "0" and "2".
-- unspport compress_chunk_size: 2000
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_chunk_size=2000);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_chunk_size=2000);
ERROR: invalid compress_chunk_size 2000 , must be one of 512, 1024, 2048 or 4096 for compressed_table_1024
-- unspport compress_prealloc_chunks: -1
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=-1);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=-1);
ERROR: value -1 out of bounds for option "compress_prealloc_chunks"
DETAIL: Valid values are between "0" and "7".
-- unspport compress_prealloc_chunks: 8
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=8);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=8);
ERROR: value 8 out of bounds for option "compress_prealloc_chunks"
DETAIL: Valid values are between "0" and "7".
-- unspport compress_level: 128
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_level=128);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_level=128);
ERROR: value 128 out of bounds for option "compress_level"
DETAIL: Valid values are between "-31" and "31".
-- compresstype cant be used with column table
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(ORIENTATION = 'column', compresstype=2);
ERROR: only row orientation table support compresstype.
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(ORIENTATION = 'column', compresstype=2);
ERROR: compresstype can not be used in ustore table, segment table, column table, view, unlogged table or temp table.
-- compresstype cant be used with temp table
CREATE TEMP TABLE compressed_temp_table_1024(id int) WITH(compresstype=2);
ERROR: only row orientation table support compresstype.
ERROR: compresstype can not be used in ustore table, segment table, column table, view, unlogged table or temp table.
-- compresstype cant be used with unlogged table
CREATE unlogged TABLE compressed_unlogged_table_1024(id int) WITH(compresstype=2);
ERROR: only row orientation table support compresstype.
ERROR: compresstype can not be used in ustore table, segment table, column table, view, unlogged table or temp table.
-- use compress_prealloc_chunks\compress_chunk_size\compress_level without compresstype
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_prealloc_chunks=5);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_prealloc_chunks=5);
ERROR: compress_chunk_size/compress_prealloc_chunks/compress_level/compress_byte_convert/compress_diff_convert should be used with compresstype.
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_chunk_size=1024);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_chunk_size=1024);
ERROR: compress_chunk_size/compress_prealloc_chunks/compress_level/compress_byte_convert/compress_diff_convert should be used with compresstype.
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_byte_convert=true);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_byte_convert=true);
ERROR: compress_chunk_size/compress_prealloc_chunks/compress_level/compress_byte_convert/compress_diff_convert should be used with compresstype.
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_diff_convert=true);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_diff_convert=true);
ERROR: compress_chunk_size/compress_prealloc_chunks/compress_level/compress_byte_convert/compress_diff_convert should be used with compresstype.
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_level=5);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_level=5);
ERROR: compress_chunk_size/compress_prealloc_chunks/compress_level/compress_byte_convert/compress_diff_convert should be used with compresstype.
-- unspport exchange
CREATE TABLE unspported_feature.exchange_table(id int) WITH(compresstype=2);
CREATE TABLE unspported_feature.alter_table(id int) partition by range(id)
CREATE TABLE unsupported_feature.exchange_table(id int) WITH(compresstype=2);
CREATE TABLE unsupported_feature.alter_table(id int) partition by range(id)
(
partition p0 values less than(5000),
partition p1 values less than(10000),
@ -51,46 +51,65 @@ CREATE TABLE unspported_feature.alter_table(id int) partition by range(id)
partition p6 values less than(60000),
partition p7 values less than(70000)
);
ALTER TABLE unspported_feature.alter_table EXCHANGE PARTITION FOR(2500) WITH TABLE unspported_feature.exchange_table;
ALTER TABLE unsupported_feature.alter_table EXCHANGE PARTITION FOR(2500) WITH TABLE unsupported_feature.exchange_table;
ERROR: tables in ALTER TABLE EXCHANGE PARTITION must have the same type of compress
-- unspport alter compress_chunk_size
create TABLE unspported_feature.alter_table_option(id int) WITH(compresstype=2);
\d+ unspported_feature.alter_table_option
Table "unspported_feature.alter_table_option"
create TABLE unsupported_feature.alter_table_option(id int) WITH(compresstype=2);
\d+ unsupported_feature.alter_table_option
Table "unsupported_feature.alter_table_option"
Column | Type | Modifiers | Storage | Stats target | Description
--------+---------+-----------+---------+--------------+-------------
id | integer | | plain | |
Has OIDs: no
Options: orientation=row, compresstype=2
ALTER TABLE unspported_feature.alter_table_option SET(compresstype=0); -- fail
ALTER TABLE unsupported_feature.alter_table_option SET(compresstype=0); -- fail
ERROR: change compresstype OPTION is not supported
ALTER TABLE unspported_feature.alter_table_option SET(compress_chunk_size=2048); -- fail
ALTER TABLE unsupported_feature.alter_table_option SET(compress_chunk_size=2048); -- fail
ERROR: change compress_chunk_size OPTION is not supported
ALTER TABLE unspported_feature.alter_table_option SET(compress_level=2, compress_prealloc_chunks=0);
ALTER TABLE unsupported_feature.alter_table_option SET(compress_level=2, compress_prealloc_chunks=0);
-- alter compress_byte_convert\compress_diff_convert
create table unspported_feature.rolcompress_table_001(a int) with (compresstype=2, compress_diff_convert=true); -- fail
create table unsupported_feature.rolcompress_table_001(a int) with (compresstype=2, compress_diff_convert=true); -- fail
ERROR: compress_diff_convert should be used with compress_byte_convert.
create table unspported_feature.t_rowcompress_0007(cid int, name varchar2) with (compresstype=1);
alter table unspported_feature.t_rowcompress_0007 set (compress_diff_convert=true); --fail
create table unsupported_feature.t_rowcompress_0007(cid int, name varchar2) with (compresstype=1);
alter table unsupported_feature.t_rowcompress_0007 set (compress_diff_convert=true); --fail
ERROR: compress_diff_convert should be used with compress_byte_convert.
alter table unspported_feature.t_rowcompress_0007 set (compress_byte_convert=true, compress_diff_convert=true); --success
alter table unspported_feature.t_rowcompress_0007 set (compress_level=31); --failed
alter table unsupported_feature.t_rowcompress_0007 set (compress_byte_convert=true, compress_diff_convert=true); --success
alter table unsupported_feature.t_rowcompress_0007 set (compress_level=31); --failed
ERROR: compress_level should be used with ZSTD algorithm.
create table unspported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=1,compress_level=2); -- failed
create table unsupported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=1,compress_level=2); -- failed
ERROR: compress_level should be used with ZSTD algorithm.
create table unspported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=2,compress_level=2); -- success
CREATE TABLE unspported_feature.index_test(id int, c1 text);
create table unsupported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=2,compress_level=2); -- success
CREATE TABLE unsupported_feature.index_test(id int, c1 text);
-- ustore
CREATE TABLE unspported_feature.ustore_table(id int, c1 text) WITH(compresstype=2, storage_type=ustore); --failed
ERROR: only row orientation table support compresstype.
CREATE INDEX tbl_pc_idx1 on unspported_feature.index_test(c1) WITH(compresstype=2, storage_type=ustore); --failed
CREATE TABLE unsupported_feature.ustore_table(id int, c1 text) WITH(compresstype=2, storage_type=ustore); --failed
ERROR: compresstype can not be used in ustore table, segment table, column table, view, unlogged table or temp table.
CREATE INDEX tbl_pc_idx1 on unsupported_feature.index_test(c1) WITH(compresstype=2, storage_type=ustore); --failed
ERROR: Can not use compress option in ustore index.
-- segment
CREATE TABLE unspported_feature.segment_table(id int, c1 text) WITH(compresstype=2, segment=on); --failed
ERROR: only row orientation table support compresstype.
CREATE INDEX on unspported_feature.index_test(c1) WITH(compresstype=2, segment=on); --failed
CREATE TABLE unsupported_feature.segment_table(id int, c1 text) WITH(compresstype=2, segment=on); --failed
ERROR: compresstype can not be used in ustore table, segment table, column table, view, unlogged table or temp table.
CREATE INDEX on unsupported_feature.index_test(c1) WITH(compresstype=2, segment=on); --failed
ERROR: Can not use compress option in segment storage.
-- set compress_diff_convert
create table unspported_feature.compress_byte_test(id int) with (compresstype=2, compress_byte_convert=false, compress_diff_convert = true); -- failed
create table unsupported_feature.compress_byte_test(id int) with (compresstype=2, compress_byte_convert=false, compress_diff_convert = true); -- failed
ERROR: compress_diff_convert should be used with compress_byte_convert.
create table unsupported_feature.test(id int) with (compresstype=2); -- success
alter table unsupported_feature.test set(Compresstype=1); -- failed
ERROR: change compresstype OPTION is not supported
alter table unsupported_feature.test set(Compress_level=3); -- success
create table lm_rcp_4 (c1 int,c2 varchar2,c3 number,c4 money,c5 CHAR(20),c6 CLOB,c7 blob,c8 DATE,c9 BOOLEAN,c10 TIMESTAMP,c11 point,columns12 cidr) with(Compresstype=2,Compress_chunk_size=512)
partition by list(c1) subpartition by range(c3)(
partition ts1 values(1,2,3,4,5)(subpartition ts11 values less than(500),subpartition ts12 values less than(5000),subpartition ts13 values less than(MAXVALUE)),
partition ts2 values(6,7,8,9,10),
partition ts3 values(11,12,13,14,15)(subpartition ts31 values less than(5000),subpartition ts32 values less than(10000),subpartition ts33 values less than(MAXVALUE)),
partition ts4 values(default));
create unique index indexg_lm_rcp_4 on lm_rcp_4(c1 NULLS first,c2,c3) global
with(FILLFACTOR=80,Compresstype=2,Compress_chunk_size=512,compress_byte_convert=1,compress_diff_convert=1);
--s3.
alter index indexg_lm_rcp_4 rename to indexg_lm_rcp_4_newname;
--s4.修改压缩类型
alter index indexg_lm_rcp_4_newname set(Compresstype=1);
ERROR: change compresstype OPTION is not supported
--s5.修改Compress_level
alter index indexg_lm_rcp_4_newname set(Compress_level=3);

85
src/test/regress/sql/row_compression/unsupported_feature.sql
View File

@ -1,29 +1,29 @@
create schema unspported_feature;
create schema unsupported_feature;
-- unspport compressType: 3
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=3, compress_chunk_size=1024);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=3, compress_chunk_size=1024);
-- unspport compress_chunk_size: 2000
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_chunk_size=2000);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_chunk_size=2000);
-- unspport compress_prealloc_chunks: -1
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=-1);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=-1);
-- unspport compress_prealloc_chunks: 8
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=8);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_prealloc_chunks=8);
-- unspport compress_level: 128
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_level=128);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compresstype=2, compress_level=128);
-- compresstype cant be used with column table
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(ORIENTATION = 'column', compresstype=2);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(ORIENTATION = 'column', compresstype=2);
-- compresstype cant be used with temp table
CREATE TEMP TABLE compressed_temp_table_1024(id int) WITH(compresstype=2);
-- compresstype cant be used with unlogged table
CREATE unlogged TABLE compressed_unlogged_table_1024(id int) WITH(compresstype=2);
-- use compress_prealloc_chunks\compress_chunk_size\compress_level without compresstype
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_prealloc_chunks=5);
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_chunk_size=1024);
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_byte_convert=true);
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_diff_convert=true);
CREATE TABLE unspported_feature.compressed_table_1024(id int) WITH(compress_level=5);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_prealloc_chunks=5);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_chunk_size=1024);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_byte_convert=true);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_diff_convert=true);
CREATE TABLE unsupported_feature.compressed_table_1024(id int) WITH(compress_level=5);
-- unspport exchange
CREATE TABLE unspported_feature.exchange_table(id int) WITH(compresstype=2);
CREATE TABLE unspported_feature.alter_table(id int) partition by range(id)
CREATE TABLE unsupported_feature.exchange_table(id int) WITH(compresstype=2);
CREATE TABLE unsupported_feature.alter_table(id int) partition by range(id)
(
partition p0 values less than(5000),
partition p1 values less than(10000),
@ -34,29 +34,48 @@ CREATE TABLE unspported_feature.alter_table(id int) partition by range(id)
partition p6 values less than(60000),
partition p7 values less than(70000)
);
ALTER TABLE unspported_feature.alter_table EXCHANGE PARTITION FOR(2500) WITH TABLE unspported_feature.exchange_table;
ALTER TABLE unsupported_feature.alter_table EXCHANGE PARTITION FOR(2500) WITH TABLE unsupported_feature.exchange_table;
-- unspport alter compress_chunk_size
create TABLE unspported_feature.alter_table_option(id int) WITH(compresstype=2);
\d+ unspported_feature.alter_table_option
ALTER TABLE unspported_feature.alter_table_option SET(compresstype=0); -- fail
ALTER TABLE unspported_feature.alter_table_option SET(compress_chunk_size=2048); -- fail
ALTER TABLE unspported_feature.alter_table_option SET(compress_level=2, compress_prealloc_chunks=0);
create TABLE unsupported_feature.alter_table_option(id int) WITH(compresstype=2);
\d+ unsupported_feature.alter_table_option
ALTER TABLE unsupported_feature.alter_table_option SET(compresstype=0); -- fail
ALTER TABLE unsupported_feature.alter_table_option SET(compress_chunk_size=2048); -- fail
ALTER TABLE unsupported_feature.alter_table_option SET(compress_level=2, compress_prealloc_chunks=0);
-- alter compress_byte_convert\compress_diff_convert
create table unspported_feature.rolcompress_table_001(a int) with (compresstype=2, compress_diff_convert=true); -- fail
create table unsupported_feature.rolcompress_table_001(a int) with (compresstype=2, compress_diff_convert=true); -- fail
create table unspported_feature.t_rowcompress_0007(cid int, name varchar2) with (compresstype=1);
alter table unspported_feature.t_rowcompress_0007 set (compress_diff_convert=true); --fail
alter table unspported_feature.t_rowcompress_0007 set (compress_byte_convert=true, compress_diff_convert=true); --success
alter table unspported_feature.t_rowcompress_0007 set (compress_level=31); --failed
create table unspported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=1,compress_level=2); -- failed
create table unspported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=2,compress_level=2); -- success
create table unsupported_feature.t_rowcompress_0007(cid int, name varchar2) with (compresstype=1);
alter table unsupported_feature.t_rowcompress_0007 set (compress_diff_convert=true); --fail
alter table unsupported_feature.t_rowcompress_0007 set (compress_byte_convert=true, compress_diff_convert=true); --success
alter table unsupported_feature.t_rowcompress_0007 set (compress_level=31); --failed
create table unsupported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=1,compress_level=2); -- failed
create table unsupported_feature.t_rowcompress_pglz_compresslevel(id int) with (compresstype=2,compress_level=2); -- success
CREATE TABLE unspported_feature.index_test(id int, c1 text);
CREATE TABLE unsupported_feature.index_test(id int, c1 text);
-- ustore
CREATE TABLE unspported_feature.ustore_table(id int, c1 text) WITH(compresstype=2, storage_type=ustore); --failed
CREATE INDEX tbl_pc_idx1 on unspported_feature.index_test(c1) WITH(compresstype=2, storage_type=ustore); --failed
CREATE TABLE unsupported_feature.ustore_table(id int, c1 text) WITH(compresstype=2, storage_type=ustore); --failed
CREATE INDEX tbl_pc_idx1 on unsupported_feature.index_test(c1) WITH(compresstype=2, storage_type=ustore); --failed
-- segment
CREATE TABLE unspported_feature.segment_table(id int, c1 text) WITH(compresstype=2, segment=on); --failed
CREATE INDEX on unspported_feature.index_test(c1) WITH(compresstype=2, segment=on); --failed
CREATE TABLE unsupported_feature.segment_table(id int, c1 text) WITH(compresstype=2, segment=on); --failed
CREATE INDEX on unsupported_feature.index_test(c1) WITH(compresstype=2, segment=on); --failed
-- set compress_diff_convert
create table unspported_feature.compress_byte_test(id int) with (compresstype=2, compress_byte_convert=false, compress_diff_convert = true); -- failed
create table unsupported_feature.compress_byte_test(id int) with (compresstype=2, compress_byte_convert=false, compress_diff_convert = true); -- failed
create table unsupported_feature.test(id int) with (compresstype=2); -- success
alter table unsupported_feature.test set(Compresstype=1); -- failed
alter table unsupported_feature.test set(Compress_level=3); -- success
create table lm_rcp_4 (c1 int,c2 varchar2,c3 number,c4 money,c5 CHAR(20),c6 CLOB,c7 blob,c8 DATE,c9 BOOLEAN,c10 TIMESTAMP,c11 point,columns12 cidr) with(Compresstype=2,Compress_chunk_size=512)
partition by list(c1) subpartition by range(c3)(
partition ts1 values(1,2,3,4,5)(subpartition ts11 values less than(500),subpartition ts12 values less than(5000),subpartition ts13 values less than(MAXVALUE)),
partition ts2 values(6,7,8,9,10),
partition ts3 values(11,12,13,14,15)(subpartition ts31 values less than(5000),subpartition ts32 values less than(10000),subpartition ts33 values less than(MAXVALUE)),
partition ts4 values(default));
create unique index indexg_lm_rcp_4 on lm_rcp_4(c1 NULLS first,c2,c3) global
with(FILLFACTOR=80,Compresstype=2,Compress_chunk_size=512,compress_byte_convert=1,compress_diff_convert=1);
--s3.
alter index indexg_lm_rcp_4 rename to indexg_lm_rcp_4_newname;
--s4.修改压缩类型
alter index indexg_lm_rcp_4_newname set(Compresstype=1);
--s5.修改Compress_level
alter index indexg_lm_rcp_4_newname set(Compress_level=3);