40 lines
774 B
Go
40 lines
774 B
Go
package wal
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const sqlSchema = `
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BEGIN IMMEDIATE;
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CREATE TABLE IF NOT EXISTS wal(
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SeqNum INTEGER NOT NULL PRIMARY KEY,
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CreatedAt INTEGER NOT NULL,
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Collection TEXT NOT NULL,
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ID INTEGER NOT NULL,
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Store INTEGER NOT NULL,
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Data BLOB
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) WITHOUT ROWID;
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CREATE INDEX IF NOT EXISTS wal_created_at_index ON wal(CreatedAt);
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COMMIT;
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`
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const sqlWALMaxSeqNum = `
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SELECT COALESCE(MAX(SeqNum), 0) FROM wal;
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`
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const sqlWALInsert = `
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INSERT INTO wal(
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SeqNum,CreatedAt,Collection,ID,Store,Data
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) VALUES (?,?,?,?,?,?)`
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const sqlWALFollowQuery = `
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SELECT
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SeqNum,Collection,ID,Store,Data
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FROM
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wal
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WHERE
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SeqNum > ?
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ORDER BY SeqNum ASC`
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const sqlWALDeleteQuery = `
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DELETE FROM wal WHERE CreatedAt < ? AND SeqNum < (SELECT MAX(SeqNum) FROM wal)`
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