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implement database structure auto-initiation

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d47081 2022-07-15 10:46:57 +03:00
parent 0a87fe0d94
commit 4b11bb6221
1 changed files with 48 additions and 0 deletions
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48
library/sqlite.php
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@ -13,6 +13,54 @@ class SQLite {
$this->_db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
$this->_db->setAttribute(PDO::ATTR_TIMEOUT, 600);
$this->_db->query('
CREATE TABLE IF NOT EXISTS "namespace"(
"nameSpaceId" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL CHECK("nameSpaceId">=0),
"timeIndexed" INTEGER NOT NULL CHECK("timeIndexed">=0),
"hash" CHAR(34) NOT NULL,
CONSTRAINT "hash_UNIQUE"
UNIQUE("hash")
)
');
$this->_db->query('
CREATE TABLE IF NOT EXISTS "block"(
"blockId" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL CHECK("blockId">=0),
"timeIndexed" INTEGER NOT NULL CHECK("timeIndexed">=0),
"lostTransactions" INTEGER NOT NULL CHECK("lostTransactions">=0)
)
');
$this->_db->query('
CREATE TABLE IF NOT EXISTS "data"(
"dataId" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL CHECK("dataId">=0),
"nameSpaceId" INTEGER NOT NULL CHECK("nameSpaceId">=0),
"blockId" INTEGER NOT NULL CHECK("blockId">=0),
"time" INTEGER NOT NULL CHECK("time">=0),
"timeIndexed" INTEGER NOT NULL CHECK("timeIndexed">=0),
"size" INTEGER NOT NULL,
"ns" TEXT NOT NULL CHECK("ns" IN(\'0\', \'1\')),
"deleted" TEXT NOT NULL CHECK("deleted" IN(\'0\', \'1\')),
"txid" CHAR(64) NOT NULL,
"key" TEXT NOT NULL,
"value" TEXT NOT NULL,
CONSTRAINT "txid_UNIQUE"
UNIQUE("txid"),
CONSTRAINT "fk_data_namespace"
FOREIGN KEY("nameSpaceId")
REFERENCES "namespace"("nameSpaceId"),
CONSTRAINT "fk_data_block"
FOREIGN KEY("blockId")
REFERENCES "block"("blockId")
)
');
$this->_db->query('CREATE INDEX IF NOT EXISTS "data.fk_data_namespase_idx" ON "data" ("nameSpaceId")');
$this->_db->query('CREATE INDEX IF NOT EXISTS "data.fk_data_block_idx" ON "data" ("blockId")');
$this->_db->query('CREATE INDEX IF NOT EXISTS "data.deleted_INDEX" ON "data" ("deleted")');
$this->_db->query('CREATE INDEX IF NOT EXISTS "data.ns_INDEX" ON "data" ("ns")');
} catch(PDOException $e) {
trigger_error($e->getMessage());
}