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feat: Enhanced partitioning procedures with schema awareness.

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This commit is contained in:
Maksym Buz
2026-02-20 21:46:27 +00:00
parent 9d1b84225c
commit ea3e89effa
9 changed files with 323531 additions and 18 deletions
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49
postgresql/sql-scripts-80/option-patches/history_upgrade_prepare.sql Normal file
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ALTER TABLE history RENAME TO history_old;
CREATE TABLE history (
itemid bigint NOT NULL,
clock integer DEFAULT '0' NOT NULL,
value DOUBLE PRECISION DEFAULT '0.0000' NOT NULL,
ns integer DEFAULT '0' NOT NULL,
PRIMARY KEY (itemid,clock,ns)
);
ALTER TABLE history_uint RENAME TO history_uint_old;
CREATE TABLE history_uint (
itemid bigint NOT NULL,
clock integer DEFAULT '0' NOT NULL,
value numeric(20) DEFAULT '0' NOT NULL,
ns integer DEFAULT '0' NOT NULL,
PRIMARY KEY (itemid,clock,ns)
);
ALTER TABLE history_str RENAME TO history_str_old;
CREATE TABLE history_str (
itemid bigint NOT NULL,
clock integer DEFAULT '0' NOT NULL,
value varchar(255) DEFAULT '' NOT NULL,
ns integer DEFAULT '0' NOT NULL,
PRIMARY KEY (itemid,clock,ns)
);
ALTER TABLE history_log RENAME TO history_log_old;
CREATE TABLE history_log (
itemid bigint NOT NULL,
clock integer DEFAULT '0' NOT NULL,
timestamp integer DEFAULT '0' NOT NULL,
source varchar(64) DEFAULT '' NOT NULL,
severity integer DEFAULT '0' NOT NULL,
value text DEFAULT '' NOT NULL,
logeventid integer DEFAULT '0' NOT NULL,
ns integer DEFAULT '0' NOT NULL,
PRIMARY KEY (itemid,clock,ns)
);
ALTER TABLE history_text RENAME TO history_text_old;
CREATE TABLE history_text (
itemid bigint NOT NULL,
clock integer DEFAULT '0' NOT NULL,
value text DEFAULT '' NOT NULL,
ns integer DEFAULT '0' NOT NULL,
PRIMARY KEY (itemid,clock,ns)
);