ืืงืืื ืื ืืื ื ืืฆืจ ืจืขืืื ืืืชื
ืืกืืคืืจ ืืชืืื ืืื:
ืกืืืื ืืืจืืช:
ืืืืงื 'ืืืืชื ืจืืข', ืื
ืื ืืื ืขืื ืชืืืื ืืฉืื ืืช ืืืงืื, ืืืืงืืื ืืฉืคืจ ืืช ืืืืฉืืจืื ืฉืืื?
ืืื ืืคืฉื ืืื ืืื ืฉืืคืฉืจ, ืื ืืฉ ืจืง ืฉืชื ืืจืืื ืืฉืคืจ ืืืืคื ืงืืฆืื ื ืืฉืื ืืืืฆืืขืื ืฉื ืืกื ืื ืชืื ืื:
1) ื ืชืื ื ืจืื - ืื ื ืืืืืืื ืืฉืืืื, ืืฉื ืื ืืช ืืชืฆืืจื;
2) ื ืชืื ืืื ืื ืกืืื - ืืืคืืืืืืฆืื ืฉื ืฉืืืืชืืช
ืืืืจ, ืื ื ืืืืจ ืืืืืจ, ืืืืชื ืชืงืืคื ืืืจ ืื ืืื ืืจืืจ ืื ืขืื ืืฉื ืืช ืืืงืฉื ืืืืืฅ, ื ืืืจื ืืืจื - ืฉืื ืืืื ืืขืืฆืื ืืฉืืืื.
ืื, ื ืฉืืืช ืืฉืืื ืืขืืงืจืืช: ืื ืืืื ื ืฉื ื?
ืชื ืืื ืืชืืืชืืื
ืจืืฉืืช, ืืฉ ืืช ื-ERD ืืื (ืืืฆื ืืฆืืจื ืคืฉืืื ืขื ืชื ืื):
ืชืืื ืืช ืขืืงืจืืืช:
- ืืขืจืืืช ืืืกืื ืจืืืช ืืจืืื
- ืืืืื ืืืจ ืืฉ ืืคืชื ืืืืฆื ืคืืื ืฆืืืื
ืืงืฉื ืืงืืจืืช:
SELECT
p."PARAMETER_ID" as parameter_id,
pc."PC_NAME" AS pc_name,
pc."CUSTOMER_PARTNUMBER" AS customer_partnumber,
w."LASERMARK" AS lasermark,
w."LOTID" AS lotid,
w."REPORTED_VALUE" AS reported_value,
w."LOWER_SPEC_LIMIT" AS lower_spec_limit,
w."UPPER_SPEC_LIMIT" AS upper_spec_limit,
p."TYPE_CALCUL" AS type_calcul,
s."SHIPMENT_NAME" AS shipment_name,
s."SHIPMENT_DATE" AS shipment_date,
extract(year from s."SHIPMENT_DATE") AS year,
extract(month from s."SHIPMENT_DATE") as month,
s."REPORT_NAME" AS report_name,
p."SPARAM_NAME" AS SPARAM_name,
p."CUSTOMERPARAM_NAME" AS customerparam_name
FROM data w INNER JOIN shipment s ON s."SHIPMENT_ID" = w."SHIPMENT_ID"
INNER JOIN parameters p ON p."PARAMETER_ID" = w."PARAMETER_ID"
INNER JOIN shipment_pc sp ON s."SHIPMENT_ID" = sp."SHIPMENT_ID"
INNER JOIN pc pc ON pc."PC_ID" = sp."PC_ID"
INNER JOIN ( SELECT w2."LASERMARK" , MAX(s2."SHIPMENT_DATE") AS "SHIPMENT_DATE"
FROM shipment s2 INNER JOIN data w2 ON s2."SHIPMENT_ID" = w2."SHIPMENT_ID"
GROUP BY w2."LASERMARK"
) md ON md."SHIPMENT_DATE" = s."SHIPMENT_DATE" AND md."LASERMARK" = w."LASERMARK"
WHERE
s."SHIPMENT_DATE" >= '2018-07-01' AND s."SHIPMENT_DATE" <= '2018-09-30' ;
ืชืืฆืืืช ืืืฆืืข ืืืกื ืื ืชืื ืื ืฉื ืืืืืงื:
ืขืืืช : 502 997.55
ืืื ืืืฆืืข: 505 ืฉื ืืืช.
ืื ืื ืื ื ืจืืืื? ืืงืฉื ืงืืืขื, ืืืืืกืกืช ืขื ืคืจืืกืช ืืื.
ืืืื ื ื ืื ืืช ืืื ืื ืืืืืืช ืืคืฉืืื ืืืืชืจ: ืื ืืฉ ืืืืื ืฉื ืคืจืืกืช ืืื, ืืื ืื ืืขืืืจ ืื ื? ื ืืื - ืืืืฆื.
ืื ืืืืง?
ืืืื ืจืืฉืื, ืืืืืจื ืืจืืจื - ืืืืงื ืืฆืืจืชืืช ืฉื ืืืืช "ืืฉืืื" ืืืืฆืขืืช ืืงืฉ "SHIPMENT_DATE" (ืืงืคืืฅ ืืืชืจ ืืื ืงืืืื - ืืกืืคื ืฉื ืืืจ ืื ืืฆื ืงืฆืช ืื ืืกืืจ ืืืคืงื).
ืืื ืืืืงืื?
ืืฉืืื ืืื ืื ืื ืงืฉื ืืื. ืืืจืื ืืืื, ื-PostgreSQL 10, ืงืืื ืืขืช ืื ืื ืื ืืืืงื ืื ืืฉื.
ืื:
- ืฉืืืจ dump ืฉื ืืืืช ืืืงืืจ - pg_dump source_table
- ืืืง ืืช ืืืืื ืืืงืืจืืช - ืฉืืจืจ ืืช ืืืืื source_table
- ืฆืืจ ืืืืช ืื ืขื ืืืืงืช ืืืื - ืฆืืจ ืืืื source_table
- ืฆืืจ ืงืืขืื - ืฆืืจ ืืืื source_table, ืฆืืจ ืืื ืืงืก
- ืืืื ืืช ื-dump ืฉื ืืฆืจ ืืฉืื 1 - pg_restore
ืกืงืจืืคืืื ืืืืืฆืืช
ืืืขื ืืคืฉืืืช ืืื ืืืืช, ืฉืืืื 2,3,4 ืฉืืืื ืืกืงืจืืคื ืืื.
ืื:
ืฉืืืจ dump ืฉื ืืืืช ืืืงืืจ
pg_dump postgres --file=/dump/shipment.dmp --format=c --table=shipment --verbose > /dump/shipment.log 2>&1
ืืืง ืืช ืืืืช ืืืงืืจ + ืฆืืจ ืืืืช ืื ืขื ืืืืงืช ืืืื + ืฆืืจ ืืืืฆืืช
--create_partition_shipment.sql
do language plpgsql $$
declare
rec_shipment_date RECORD ;
partition_name varchar;
index_name varchar;
current_year varchar ;
current_month varchar ;
begin_year varchar ;
begin_month varchar ;
next_year varchar ;
next_month varchar ;
first_flag boolean ;
i integer ;
begin
RAISE NOTICE 'CREATE TEMPORARY TABLE FOR SHIPMENT_DATE';
CREATE TEMP TABLE tmp_shipment_date as select distinct "SHIPMENT_DATE" from shipment order by "SHIPMENT_DATE" ;
RAISE NOTICE 'DROP TABLE shipment';
drop table shipment cascade ;
CREATE TABLE public.shipment
(
"SHIPMENT_ID" integer NOT NULL DEFAULT nextval('shipment_shipment_id_seq'::regclass),
"SHIPMENT_NAME" character varying(30) COLLATE pg_catalog."default",
"SHIPMENT_DATE" timestamp without time zone,
"REPORT_NAME" character varying(40) COLLATE pg_catalog."default"
)
PARTITION BY RANGE ("SHIPMENT_DATE")
WITH (
OIDS = FALSE
)
TABLESPACE pg_default;
RAISE NOTICE 'CREATE PARTITIONS FOR TABLE shipment';
current_year:='0';
current_month:='0';
begin_year := '0' ;
begin_month := '0' ;
next_year := '0' ;
next_month := '0' ;
FOR rec_shipment_date IN SELECT * FROM tmp_shipment_date LOOP
RAISE NOTICE 'SHIPMENT_DATE=%',rec_shipment_date."SHIPMENT_DATE";
current_year := date_part('year' ,rec_shipment_date."SHIPMENT_DATE");
current_month := date_part('month' ,rec_shipment_date."SHIPMENT_DATE") ;
IF to_number(current_month,'99') < 10 THEN
current_month := '0'||current_month ;
END IF ;
--Init borders
IF begin_year = '0' THEN
first_flag := true ; --first time flag
begin_year := current_year ;
begin_month := current_month ;
IF current_month = '12' THEN
next_year := date_part('year' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 year') ;
ELSE
next_year := current_year ;
END IF;
next_month := date_part('month' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 month') ;
END IF;
-- Check current date into borders NOT for First time
IF to_date( current_year||'.'||current_month, 'YYYY.MM') >= to_date( begin_year||'.'||begin_month, 'YYYY.MM') AND
to_date( current_year||'.'||current_month, 'YYYY.MM') < to_date( next_year||'.'||next_month, 'YYYY.MM') AND
NOT first_flag
THEN
CONTINUE ;
ELSE
--NEW borders only for second and after time
begin_year := current_year ;
begin_month := current_month ;
IF current_month = '12' THEN
next_year := date_part('year' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 year') ;
ELSE
next_year := current_year ;
END IF;
next_month := date_part('month' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 month') ;
END IF;
partition_name := 'shipment_shipment_date_'||begin_year||'-'||begin_month||'-01-'|| next_year||'-'||next_month||'-01' ;
EXECUTE format('CREATE TABLE ' || quote_ident(partition_name) || ' PARTITION OF shipment FOR VALUES FROM ( %L ) TO ( %L ) ' , current_year||'-'||current_month||'-01' , next_year||'-'||next_month||'-01' ) ;
index_name := partition_name||'_shipment_id_idx';
RAISE NOTICE 'INDEX NAME =%',index_name;
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_ID") TABLESPACE pg_default ' ) ;
--Drop first time flag
first_flag := false ;
END LOOP;
end
$$;
ืืืืื โโืืืืืื
pg_restore -d postgres --data-only --format=c --table=shipment --verbose shipment.dmp > /tmp/data_dump/shipment_restore.log 2>&1
ืืืืงืช ืชืืฆืืืช ืืืืืงื
ืื ืืฉ ืื ื ืืชืืฆืื ืืื? ืืืงืกื ืืืื ืฉื ืชืืื ืืช ืืืืฆืืข ืืื ืืืื ืืืฉืขืื, ืื ืืืืื ืืคืฉืจื ืืืืืื ืืช ืขืฆืื ืืืกืคืจืื ืืกืืคืืื.
ืืื
ืขืืืช: 502 997.55
ืืื ืืืฆืืข: 505 ืฉื ืืืช.
ืื ื ืขืฉื
ืขืืืช: 77 872.36
ืืื ืืืฆืืข: 79 ืฉื ืืืช.
ืชืืฆืื ืื ืืืื. ืขืืืช ืืืื ืืืฆืืข ืืืคืืชืื. ืืคืืื, ืืฉืืืืฉ ืืืืืฆื ื ืืชื ืืช ืืืคืงื ืืฆืคืื ืืืืืคื ืืืื, ืืื ืืคืชืขืืช.
ืชืฉืื ืืช ืืืงืื
ืชืืฆืืืช ืืืืืงื ืืืฆืื ืืืงืื ืืืืืงื. ืืืืจื ืฉืืืงื ืืช ืื, ืื ืงืืืื ืคืกืง ืืื ืงืฆืช ืื ืฆืคืื: "ื ืืืจ, ืืืงื ืืช ืืืืช ื"ื ืชืื ืื".
ืื, ืืื ืืืงื ื ืืืืช "ืืฉืืื" ืฉืื ื ืืืืืืื; ืืืืื "ื ืชืื ืื" ืืื ืืช ืืฉืื "SHIPMENT_DATE".
ืืื ืืขืื, ืืืกืฃ, ืฉื ื. ืืขืืงืจ ืฉืืืงืื ืืืื ืืจืืฆื ืืืชืืฆืื, ืคืจืื ืืืืฉืื ืืื ื ืืฉืืืื ืืืืืื.
ืืืืงืช "ื ืชืื ืื" ืืืืื ืืจืืฉืืช
ืืืืคื ืืืื, ืื ืืชืขืืจืจื ืงืฉืืื ืืืืืืื. ืื ืื, ืืืืืจืืชื ืืืืืงื, ืืืืื, ืืฉืชื ื ืืืงืฆืช.
ืืืกืคืช ืืขืืืื "SHIPMENT_DATA" ืืืืืช "ื ืชืื ืื".
psql -h ั
ะพัั -U ะฑะฐะทะฐ -d ัะทะตั
=> ALTER TABLE data ADD COLUMN "SHIPMENT_DATE" timestamp without time zone ;
ืืื ืืช ืืขืจืืื ืฉื ืืขืืืื "SHIPMENT_DATA" ืืืืื "ื ืชืื ืื" ืขื ืืขืจืืื ืฉื ืืขืืืื ืืืืชื ืฉื ืืืืืช "ืืฉืืื"
-----------------------------
--update_data.sql
--updating for altered table "data" to values of "shipment_data" from the table "shipment"
--version 1.0
do language plpgsql $$
declare
rec_shipment_data RECORD ;
shipment_date timestamp without time zone ;
row_count integer ;
total_rows integer ;
begin
select count(*) into total_rows from shipment ;
RAISE NOTICE 'Total %',total_rows;
row_count:= 0 ;
FOR rec_shipment_data IN SELECT * FROM shipment LOOP
update data set "SHIPMENT_DATE" = rec_shipment_data."SHIPMENT_DATE" where "SHIPMENT_ID" = rec_shipment_data."SHIPMENT_ID";
row_count:= row_count +1 ;
RAISE NOTICE 'row count = % , from %',row_count,total_rows;
END LOOP;
end
$$;
ืฉืืืจ dump ืฉื ืืืืช "ื ืชืื ืื".
pg_dump postgres --file=/dump/data.dmp --format=c --table=data --verbose > /dump/data.log 2>&1</source
ืฆืืจ ืืืืฉ ืืช ืืืืื ืืืืืืงืช "ื ืชืื ืื"
--create_partition_data.sql
--create partitions for the table "wafer data" by range column "shipment_data" with one month duration
--version 1.0
do language plpgsql $$
declare
rec_shipment_date RECORD ;
partition_name varchar;
index_name varchar;
current_year varchar ;
current_month varchar ;
begin_year varchar ;
begin_month varchar ;
next_year varchar ;
next_month varchar ;
first_flag boolean ;
i integer ;
begin
RAISE NOTICE 'CREATE TEMPORARY TABLE FOR SHIPMENT_DATE';
CREATE TEMP TABLE tmp_shipment_date as select distinct "SHIPMENT_DATE" from shipment order by "SHIPMENT_DATE" ;
RAISE NOTICE 'DROP TABLE data';
drop table data cascade ;
RAISE NOTICE 'CREATE PARTITIONED TABLE data';
CREATE TABLE public.data
(
"RUN_ID" integer,
"LASERMARK" character varying(20) COLLATE pg_catalog."default" NOT NULL,
"LOTID" character varying(80) COLLATE pg_catalog."default",
"SHIPMENT_ID" integer NOT NULL,
"PARAMETER_ID" integer NOT NULL,
"INTERNAL_VALUE" character varying(75) COLLATE pg_catalog."default",
"REPORTED_VALUE" character varying(75) COLLATE pg_catalog."default",
"LOWER_SPEC_LIMIT" numeric,
"UPPER_SPEC_LIMIT" numeric ,
"SHIPMENT_DATE" timestamp without time zone
)
PARTITION BY RANGE ("SHIPMENT_DATE")
WITH (
OIDS = FALSE
)
TABLESPACE pg_default ;
RAISE NOTICE 'CREATE PARTITIONS FOR TABLE data';
current_year:='0';
current_month:='0';
begin_year := '0' ;
begin_month := '0' ;
next_year := '0' ;
next_month := '0' ;
i := 1;
FOR rec_shipment_date IN SELECT * FROM tmp_shipment_date LOOP
RAISE NOTICE 'SHIPMENT_DATE=%',rec_shipment_date."SHIPMENT_DATE";
current_year := date_part('year' ,rec_shipment_date."SHIPMENT_DATE");
current_month := date_part('month' ,rec_shipment_date."SHIPMENT_DATE") ;
--Init borders
IF begin_year = '0' THEN
RAISE NOTICE '***Init borders';
first_flag := true ; --first time flag
begin_year := current_year ;
begin_month := current_month ;
IF current_month = '12' THEN
next_year := date_part('year' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 year') ;
ELSE
next_year := current_year ;
END IF;
next_month := date_part('month' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 month') ;
END IF;
-- RAISE NOTICE 'current_year=% , current_month=% ',current_year,current_month;
-- RAISE NOTICE 'begin_year=% , begin_month=% ',begin_year,begin_month;
-- RAISE NOTICE 'next_year=% , next_month=% ',next_year,next_month;
-- Check current date into borders NOT for First time
RAISE NOTICE 'Current data = %',to_char( to_date( current_year||'.'||current_month, 'YYYY.MM'), 'YYYY.MM');
RAISE NOTICE 'Begin data = %',to_char( to_date( begin_year||'.'||begin_month, 'YYYY.MM'), 'YYYY.MM');
RAISE NOTICE 'Next data = %',to_char( to_date( next_year||'.'||next_month, 'YYYY.MM'), 'YYYY.MM');
IF to_date( current_year||'.'||current_month, 'YYYY.MM') >= to_date( begin_year||'.'||begin_month, 'YYYY.MM') AND
to_date( current_year||'.'||current_month, 'YYYY.MM') < to_date( next_year||'.'||next_month, 'YYYY.MM') AND
NOT first_flag
THEN
RAISE NOTICE '***CONTINUE';
CONTINUE ;
ELSE
--NEW borders only for second and after time
RAISE NOTICE '***NEW BORDERS';
begin_year := current_year ;
begin_month := current_month ;
IF current_month = '12' THEN
next_year := date_part('year' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 year') ;
ELSE
next_year := current_year ;
END IF;
next_month := date_part('month' ,rec_shipment_date."SHIPMENT_DATE" + interval '1 month') ;
END IF;
IF to_number(current_month,'99') < 10 THEN
current_month := '0'||current_month ;
END IF ;
IF to_number(begin_month,'99') < 10 THEN
begin_month := '0'||begin_month ;
END IF ;
IF to_number(next_month,'99') < 10 THEN
next_month := '0'||next_month ;
END IF ;
RAISE NOTICE 'current_year=% , current_month=% ',current_year,current_month;
RAISE NOTICE 'begin_year=% , begin_month=% ',begin_year,begin_month;
RAISE NOTICE 'next_year=% , next_month=% ',next_year,next_month;
partition_name := 'data_'||begin_year||begin_month||'01_'||next_year||next_month||'01' ;
RAISE NOTICE 'PARTITION NUMBER % , TABLE NAME =%',i , partition_name;
EXECUTE format('CREATE TABLE ' || quote_ident(partition_name) || ' PARTITION OF data FOR VALUES FROM ( %L ) TO ( %L ) ' , begin_year||'-'||begin_month||'-01' , next_year||'-'||next_month||'-01' ) ;
index_name := partition_name||'_shipment_id_parameter_id_idx';
RAISE NOTICE 'INDEX NAME =%',index_name;
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_ID", "PARAMETER_ID") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_lasermark_idx';
RAISE NOTICE 'INDEX NAME =%',index_name;
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("LASERMARK" COLLATE pg_catalog."default") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_shipment_id_idx';
RAISE NOTICE 'INDEX NAME =%',index_name;
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_ID") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_parameter_id_idx';
RAISE NOTICE 'INDEX NAME =%',index_name;
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("PARAMETER_ID") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_shipment_date_idx';
RAISE NOTICE 'INDEX NAME =%',index_name;
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_DATE") TABLESPACE pg_default ' ) ;
--Drop first time flag
first_flag := false ;
END LOOP;
end
$$;
ืืขื ืืช ื-dump ืฉื ืืฆืจ ืืฉืื 3.
pg_restore -h ั
ะพัั -ัะทะตั -d ะฑะฐะทะฐ --data-only --format=c --table=data --verbose data.dmp > data_restore.log 2>&1
ืฆืืจ ืงืืข ื ืคืจื ืขืืืจ ื ืชืื ืื ืืฉื ืื
---------------------------------------------------
--create_partition_for_old_dates.sql
--create partitions for keeping old dates
--version 1.0
do language plpgsql $$
declare
rec_shipment_date RECORD ;
partition_name varchar;
index_name varchar;
begin
SELECT min("SHIPMENT_DATE") AS min_date INTO rec_shipment_date from data ;
RAISE NOTICE 'Old date is %',rec_shipment_date.min_date ;
partition_name := 'data_old_dates' ;
RAISE NOTICE 'PARTITION NAME IS %',partition_name;
EXECUTE format('CREATE TABLE ' || quote_ident(partition_name) || ' PARTITION OF data FOR VALUES FROM ( %L ) TO ( %L ) ' , '1900-01-01' ,
to_char( rec_shipment_date.min_date,'YYYY')||'-'||to_char(rec_shipment_date.min_date,'MM')||'-01' ) ;
index_name := partition_name||'_shipment_id_parameter_id_idx';
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_ID", "PARAMETER_ID") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_lasermark_idx';
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("LASERMARK" COLLATE pg_catalog."default") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_shipment_id_idx';
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_ID") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_parameter_id_idx';
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("PARAMETER_ID") TABLESPACE pg_default ' ) ;
index_name := partition_name||'_shipment_date_idx';
EXECUTE format('CREATE INDEX ' || quote_ident(index_name) || ' ON '|| quote_ident(partition_name) ||' USING btree ("SHIPMENT_DATE") TABLESPACE pg_default ' ) ;
end
$$;
ืชืืฆืืืช ืกืืคืืืช:
ืืื
ืขืืืช: 502 997.55
ืืื ืืืฆืืข: 505 ืฉื ืืืช.
ืื ื ืขืฉื
ืขืืืช: 68 533.70
ืืื ืืืฆืืข: 69 ืฉื ืืืช
ืจืืื, ืื ืจืืื. ืืืืชืืฉื ืืื ืฉืืืจื ืืฆืืื ื ืืฉืืื ืคืืืช ืื ืืืชืจ ืืื ืื ืื ืืืืืงื ื-PostgreSQL 10 - ืชืืฆืื ืืฆืืื ืช.
ืกืืืื ืืืจืืช
ืืื ืืคืฉืจ ืืขืฉืืช ืืคืืื ืืืชืจ ืืื - YES, YOU CAN!ืืฉื ืื ืขืืื ืืืฉืชืืฉ ื-MATERIALIZED VIEW.
ืฆืืจ ืชืฆืืื ืืืืจืืช LASERMARK_VIEW
CREATE MATERIALIZED VIEW LASERMARK_VIEW
AS
SELECT w."LASERMARK" , MAX(s."SHIPMENT_DATE") AS "SHIPMENT_DATE"
FROM shipment s INNER JOIN data w ON s."SHIPMENT_ID" = w."SHIPMENT_ID"
GROUP BY w."LASERMARK" ;
CREATE INDEX lasermark_vw_shipment_date_ind on lasermark_view USING btree ("SHIPMENT_DATE") TABLESPACE pg_default;
analyze lasermark_view ;
ืฉืื ืื ื ืืฉืืชืืื ืืช ืืืงืฉื:
ืฉืืืืชื ืืืืฆืขืืช ืชืฆืืื ืืืืืฉืช
SELECT
p."PARAMETER_ID" as parameter_id,
pc."PC_NAME" AS pc_name,
pc."CUSTOMER_PARTNUMBER" AS customer_partnumber,
w."LASERMARK" AS lasermark,
w."LOTID" AS lotid,
w."REPORTED_VALUE" AS reported_value,
w."LOWER_SPEC_LIMIT" AS lower_spec_limit,
w."UPPER_SPEC_LIMIT" AS upper_spec_limit,
p."TYPE_CALCUL" AS type_calcul,
s."SHIPMENT_NAME" AS shipment_name,
s."SHIPMENT_DATE" AS shipment_date,
extract(year from s."SHIPMENT_DATE") AS year,
extract(month from s."SHIPMENT_DATE") as month,
s."REPORT_NAME" AS report_name,
p."STC_NAME" AS STC_name,
p."CUSTOMERPARAM_NAME" AS customerparam_name
FROM data w INNER JOIN shipment s ON s."SHIPMENT_ID" = w."SHIPMENT_ID"
INNER JOIN parameters p ON p."PARAMETER_ID" = w."PARAMETER_ID"
INNER JOIN shipment_pc sp ON s."SHIPMENT_ID" = sp."SHIPMENT_ID"
INNER JOIN pc pc ON pc."PC_ID" = sp."PC_ID"
INNER JOIN LASERMARK_VIEW md ON md."SHIPMENT_DATE" = s."SHIPMENT_DATE" AND md."LASERMARK" = w."LASERMARK"
WHERE
s."SHIPMENT_DATE" >= '2018-07-01' AND s."SHIPMENT_DATE" <= '2018-09-30';
ืื ืงืื ืชืืฆืื ื ืืกืคืช:
ืืื
ืขืืืช: 502 997.55
ืืื ืืืฆืืข: 505 ืฉื ืืืช
ืื ื ืขืฉื
ืขืืืช: 42 481.16
ืืื ืืืฆืืข: 43 ืฉื ืืืช.
ืื ืื, ืืืืื, ืชืืฆืื ืืืืืื ืืื ืืืขื; ืืฉ ืืจืขื ื ืจืขืืื ืืช. ืื ืืืื ืืืืื ืืงืืืช ื ืชืื ืื ืื ืืขืืืจ ืืจืื. ืืื ืืชืืจ ื ืืกืื ืื ืื ืืขื ืืื.
ืืืขืฉื, ืืคื ืฉืืชืืจืจ, ืฉืื ืชืืื
ืืืจืืช ืืืจ
ืื ืืืงืื ืืจืืฆื. ื ืฆืืจื ืื ืฆื ืืช ืืืฆื.
ืืฉืืื ืืืฉื: ืื ืืชื ืืืื ืืืืฆืื ืืื ืืืขืืืง ืืืืจืืื?
ืืื ืื ื ืืืืจ - ืืืจ'ื, ืืื ืื ื ื ืืืืจ ืฉื ืืกืื ืื ืชืื ืื ืฉื PostgreSQL ืฉืื ื.
ืื ืขื ืืื, ืืฉ ืขืืืื ืงืฆืช ื ืืืืจ ืืฆืืจื ืฉื Cloud Watch ื-AWS. ืืื ืื ืืืชืจืื ืฉื ื ืืืืจ ืื ืขืืืจ ื-DBA? ืืืืคื ืืืื, ืืืขื ืืฃ ืืื.
ืื ืืฉ ืื ืืืืื ืืช ืืขืฉืืช ืืฉืื ืฉืืืืฉื ืืืขื ืืื ืขืืืจ ืขืฆืื, ืืชื ืื ืืืื ืื ืื ืฆื ืืช ืืืืืื ืืช ืืื...
ื
ืื ืืืขื ื ืืืืง ืืืขื ืืื ืืืืชืจ:
3 ืืืฆืืืจ 2018.
ืงืืืช ืืืืื ืืืชืืื ืืืืงืจ ืขื ืืืืืืช ืืืื ืืช ืื ืืืืจ ืืืืฆืืขืื ืฉื ืฉืืืืชืืช PostgreSQL.
ืืื ืื ืกืืคืืจ ืืืจ ืืืืจื.
ืืืฉื ืืืืโฆ
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