63 lines
1.6 KiB
PL/PgSQL
63 lines
1.6 KiB
PL/PgSQL
/**
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* This plugin implementation for PostgreSQL requires the following tables
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*/
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CREATE TYPE "SlotStatus" AS ENUM (
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'Rooted',
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'Confirmed',
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'Processed'
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);
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CREATE TABLE pubkey (
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pubkey_id BIGSERIAL PRIMARY KEY,
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pubkey VARCHAR(44) NOT NULL UNIQUE
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);
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-- Returns a pubkey_id for a pubkey, by getting it from the table or inserting it.
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-- Getting this fully correct is complex, see:
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-- https://stackoverflow.com/questions/15939902/is-select-or-insert-in-a-function-prone-to-race-conditions/15950324
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-- and currently this function assumes there are no deletions in the pubkey table!
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CREATE OR REPLACE FUNCTION map_pubkey(_pubkey varchar(44), OUT _pubkey_id bigint)
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LANGUAGE plpgsql AS
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$func$
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BEGIN
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LOOP
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SELECT pubkey_id
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FROM pubkey
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WHERE pubkey = _pubkey
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INTO _pubkey_id;
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EXIT WHEN FOUND;
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INSERT INTO pubkey AS t
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(pubkey) VALUES (_pubkey)
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ON CONFLICT (pubkey) DO NOTHING
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RETURNING t.pubkey_id
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INTO _pubkey_id;
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EXIT WHEN FOUND;
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END LOOP;
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END
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$func$;
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-- The table storing account writes, keeping only the newest write_version per slot
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CREATE TABLE account_write (
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pubkey_id BIGINT NOT NULL REFERENCES pubkey,
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slot BIGINT NOT NULL,
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write_version BIGINT NOT NULL,
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owner_id BIGINT REFERENCES pubkey,
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lamports BIGINT NOT NULL,
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executable BOOL NOT NULL,
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rent_epoch BIGINT NOT NULL,
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data BYTEA,
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PRIMARY KEY (pubkey_id, slot, write_version)
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);
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-- The table storing slot information
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CREATE TABLE slot (
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slot BIGINT PRIMARY KEY,
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parent BIGINT,
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status "SlotStatus" NOT NULL,
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uncle BOOL NOT NULL
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);
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CREATE INDEX ON slot (parent); |