mirror of
https://github.com/tursodatabase/libsql.git
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294 lines
11 KiB
Plaintext
294 lines
11 KiB
Plaintext
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UPDATE sqlite_stat1 SET stat='10000' WHERE tbl='t2';
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ANALYZE sqlite_master;
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EXPLAIN QUERY PLAN
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SELECT b, d FROM t1 CROSS JOIN t2 ON (c=a);
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CREATE TABLE t501(a INTEGER PRIMARY KEY, b);
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CREATE TABLE t502(x INTEGER PRIMARY KEY, y);
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INSERT INTO sqlite_stat1(tbl,idx,stat) VALUES('t501',null,'1000000');
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INSERT INTO sqlite_stat1(tbl,idx,stat) VALUES('t502',null,'1000');
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ANALYZE sqlite_master;
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CREATE TABLE flock_owner(
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owner_rec_id INTEGER CONSTRAINT flock_owner_key PRIMARY KEY,
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flock_no VARCHAR(6) NOT NULL REFERENCES flock (flock_no),
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owner_person_id INTEGER NOT NULL REFERENCES person (person_id),
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owner_change_date TEXT, last_changed TEXT NOT NULL,
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CONSTRAINT fo_owner_date UNIQUE (flock_no, owner_change_date)
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);
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CREATE TABLE sheep (
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Sheep_No char(7) NOT NULL,
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Date_of_Birth char(8),
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Sort_DoB text,
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Flock_Book_Vol char(2),
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Breeder_No char(6),
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Breeder_Person integer,
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Originating_Flock char(6),
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Registering_Flock char(6),
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Tag_Prefix char(9),
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Tag_No char(15),
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Sort_Tag_No integer,
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Breeders_Temp_Tag char(15),
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Sex char(1),
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Sheep_Name char(32),
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Sire_No char(7),
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Dam_No char(7),
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Register_Code char(1),
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Colour char(48),
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Colour_Code char(2),
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Pattern_Code char(8),
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Horns char(1),
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Litter_Size char(1),
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Coeff_of_Inbreeding real,
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Date_of_Registration text,
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Date_Last_Changed text,
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UNIQUE(Sheep_No));
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CREATE INDEX fo_flock_no_index
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ON flock_owner (flock_no);
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CREATE INDEX fo_owner_change_date_index
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ON flock_owner (owner_change_date);
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CREATE INDEX fo_owner_person_id_index
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ON flock_owner (owner_person_id);
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CREATE INDEX sheep_org_flock_index
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ON sheep (originating_flock);
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CREATE INDEX sheep_reg_flock_index
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ON sheep (registering_flock);
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CREATE TABLE t5(a, b, c);
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CREATE TABLE accounts(
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_id INTEGER PRIMARY KEY AUTOINCREMENT,
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account_name TEXT,
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account_type TEXT,
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data_set TEXT
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);
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CREATE TABLE data(
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_id INTEGER PRIMARY KEY AUTOINCREMENT,
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package_id INTEGER REFERENCES package(_id),
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mimetype_id INTEGER REFERENCES mimetype(_id) NOT NULL,
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raw_contact_id INTEGER REFERENCES raw_contacts(_id) NOT NULL,
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is_read_only INTEGER NOT NULL DEFAULT 0,
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is_primary INTEGER NOT NULL DEFAULT 0,
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is_super_primary INTEGER NOT NULL DEFAULT 0,
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data_version INTEGER NOT NULL DEFAULT 0,
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data1 TEXT,
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data2 TEXT,
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data3 TEXT,
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data4 TEXT,
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data5 TEXT,
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data6 TEXT,
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data7 TEXT,
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data8 TEXT,
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data9 TEXT,
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data10 TEXT,
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data11 TEXT,
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data12 TEXT,
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data13 TEXT,
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data14 TEXT,
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data15 TEXT,
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data_sync1 TEXT,
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data_sync2 TEXT,
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data_sync3 TEXT,
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data_sync4 TEXT
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);
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CREATE TABLE mimetypes(
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_id INTEGER PRIMARY KEY AUTOINCREMENT,
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mimetype TEXT NOT NULL
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);
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CREATE TABLE raw_contacts(
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_id INTEGER PRIMARY KEY AUTOINCREMENT,
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account_id INTEGER REFERENCES accounts(_id),
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sourceid TEXT,
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raw_contact_is_read_only INTEGER NOT NULL DEFAULT 0,
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version INTEGER NOT NULL DEFAULT 1,
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dirty INTEGER NOT NULL DEFAULT 0,
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deleted INTEGER NOT NULL DEFAULT 0,
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contact_id INTEGER REFERENCES contacts(_id),
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aggregation_mode INTEGER NOT NULL DEFAULT 0,
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aggregation_needed INTEGER NOT NULL DEFAULT 1,
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custom_ringtone TEXT,
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send_to_voicemail INTEGER NOT NULL DEFAULT 0,
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times_contacted INTEGER NOT NULL DEFAULT 0,
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last_time_contacted INTEGER,
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starred INTEGER NOT NULL DEFAULT 0,
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display_name TEXT,
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display_name_alt TEXT,
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display_name_source INTEGER NOT NULL DEFAULT 0,
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phonetic_name TEXT,
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phonetic_name_style TEXT,
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sort_key TEXT,
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sort_key_alt TEXT,
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name_verified INTEGER NOT NULL DEFAULT 0,
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sync1 TEXT,
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sync2 TEXT,
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sync3 TEXT,
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sync4 TEXT,
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sync_uid TEXT,
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sync_version INTEGER NOT NULL DEFAULT 1,
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has_calendar_event INTEGER NOT NULL DEFAULT 0,
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modified_time INTEGER,
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is_restricted INTEGER DEFAULT 0,
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yp_source TEXT,
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method_selected INTEGER DEFAULT 0,
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custom_vibration_type INTEGER DEFAULT 0,
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custom_ringtone_path TEXT,
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message_notification TEXT,
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message_notification_path TEXT
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);
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CREATE INDEX data_mimetype_data1_index ON data (mimetype_id,data1);
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CREATE INDEX data_raw_contact_id ON data (raw_contact_id);
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CREATE UNIQUE INDEX mime_type ON mimetypes (mimetype);
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CREATE INDEX raw_contact_sort_key1_index ON raw_contacts (sort_key);
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CREATE INDEX raw_contact_sort_key2_index ON raw_contacts (sort_key_alt);
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CREATE INDEX raw_contacts_contact_id_index ON raw_contacts (contact_id);
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CREATE INDEX raw_contacts_source_id_account_id_index
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ON raw_contacts (sourceid, account_id);
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ANALYZE sqlite_master;
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INSERT INTO sqlite_stat1
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VALUES('raw_contacts','raw_contact_sort_key2_index','1600 4');
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INSERT INTO sqlite_stat1
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VALUES('raw_contacts','raw_contact_sort_key1_index','1600 4');
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INSERT INTO sqlite_stat1
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VALUES('raw_contacts','raw_contacts_source_id_account_id_index',
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'1600 1600 1600');
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INSERT INTO sqlite_stat1
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VALUES('raw_contacts','raw_contacts_contact_id_index','1600 1');
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INSERT INTO sqlite_stat1 VALUES('mimetypes','mime_type','12 1');
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INSERT INTO sqlite_stat1
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VALUES('data','data_mimetype_data1_index','9819 2455 3');
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INSERT INTO sqlite_stat1 VALUES('data','data_raw_contact_id','9819 7');
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INSERT INTO sqlite_stat1 VALUES('accounts',NULL,'1');
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DROP TABLE IF EXISTS sqlite_stat3;
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ANALYZE sqlite_master;
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EXPLAIN QUERY PLAN
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SELECT * FROM
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data JOIN mimetypes ON (data.mimetype_id=mimetypes._id)
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JOIN raw_contacts ON (data.raw_contact_id=raw_contacts._id)
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JOIN accounts ON (raw_contacts.account_id=accounts._id)
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WHERE mimetype_id=10 AND data14 IS NOT NULL;
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EXPLAIN QUERY PLAN
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SELECT * FROM
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data JOIN mimetypes ON (data.mimetype_id=mimetypes._id)
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JOIN raw_contacts ON (data.raw_contact_id=raw_contacts._id)
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JOIN accounts ON (raw_contacts.account_id=accounts._id)
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WHERE mimetypes._id=10 AND data14 IS NOT NULL;
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CREATE TABLE messages (ROWID INTEGER PRIMARY KEY AUTOINCREMENT, message_id, document_id BLOB, in_reply_to, remote_id INTEGER, sender INTEGER, subject_prefix, subject INTEGER, date_sent INTEGER, date_received INTEGER, date_created INTEGER, date_last_viewed INTEGER, mailbox INTEGER, remote_mailbox INTEGER, original_mailbox INTEGER, flags INTEGER, read, flagged, size INTEGER, color, encoding, type INTEGER, pad, conversation_id INTEGER DEFAULT -1, snippet TEXT DEFAULT NULL, fuzzy_ancestor INTEGER DEFAULT NULL, automated_conversation INTEGER DEFAULT 0, root_status INTEGER DEFAULT -1, conversation_position INTEGER DEFAULT -1);
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CREATE INDEX date_index ON messages(date_received);
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CREATE INDEX date_last_viewed_index ON messages(date_last_viewed);
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CREATE INDEX date_created_index ON messages(date_created);
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CREATE INDEX message_message_id_mailbox_index ON messages(message_id, mailbox);
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CREATE INDEX message_document_id_index ON messages(document_id);
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CREATE INDEX message_read_index ON messages(read);
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CREATE INDEX message_flagged_index ON messages(flagged);
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CREATE INDEX message_mailbox_index ON messages(mailbox, date_received);
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CREATE INDEX message_remote_mailbox_index ON messages(remote_mailbox, remote_id);
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CREATE INDEX message_type_index ON messages(type);
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CREATE INDEX message_conversation_id_conversation_position_index ON messages(conversation_id, conversation_position);
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CREATE INDEX message_fuzzy_ancestor_index ON messages(fuzzy_ancestor);
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CREATE INDEX message_subject_fuzzy_ancestor_index ON messages(subject, fuzzy_ancestor);
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CREATE INDEX message_sender_subject_automated_conversation_index ON messages(sender, subject, automated_conversation);
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CREATE INDEX message_sender_index ON messages(sender);
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CREATE INDEX message_root_status ON messages(root_status);
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CREATE TABLE subjects (ROWID INTEGER PRIMARY KEY, subject COLLATE RTRIM, normalized_subject COLLATE RTRIM);
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CREATE INDEX subject_subject_index ON subjects(subject);
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CREATE INDEX subject_normalized_subject_index ON subjects(normalized_subject);
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CREATE TABLE addresses (ROWID INTEGER PRIMARY KEY, address COLLATE NOCASE, comment, UNIQUE(address, comment));
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CREATE INDEX addresses_address_index ON addresses(address);
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CREATE TABLE mailboxes (ROWID INTEGER PRIMARY KEY, url UNIQUE, total_count INTEGER DEFAULT 0, unread_count INTEGER DEFAULT 0, unseen_count INTEGER DEFAULT 0, deleted_count INTEGER DEFAULT 0, unread_count_adjusted_for_duplicates INTEGER DEFAULT 0, change_identifier, source INTEGER, alleged_change_identifier);
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CREATE INDEX mailboxes_source_index ON mailboxes(source);
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CREATE TABLE labels (ROWID INTEGER PRIMARY KEY, message_id INTEGER NOT NULL, mailbox_id INTEGER NOT NULL, UNIQUE(message_id, mailbox_id));
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CREATE INDEX labels_message_id_mailbox_id_index ON labels(message_id, mailbox_id);
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CREATE INDEX labels_mailbox_id_index ON labels(mailbox_id);
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explain query plan
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SELECT messages.ROWID,
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messages.message_id,
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messages.remote_id,
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messages.date_received,
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messages.date_sent,
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messages.flags,
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messages.size,
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messages.color,
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messages.date_last_viewed,
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messages.subject_prefix,
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subjects.subject,
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sender.comment,
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sender.address,
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NULL,
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messages.mailbox,
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messages.original_mailbox,
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NULL,
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NULL,
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messages.type,
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messages.document_id,
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sender,
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NULL,
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messages.conversation_id,
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messages.conversation_position,
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agglabels.labels
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FROM mailboxes AS mailbox
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JOIN messages ON mailbox.ROWID = messages.mailbox
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LEFT OUTER JOIN subjects ON messages.subject = subjects.ROWID
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LEFT OUTER JOIN addresses AS sender ON messages.sender = sender.ROWID
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LEFT OUTER JOIN (
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SELECT message_id, group_concat(mailbox_id) as labels
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FROM labels GROUP BY message_id
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) AS agglabels ON messages.ROWID = agglabels.message_id
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WHERE (mailbox.url = 'imap://email.app@imap.gmail.com/%5BGmail%5D/All%20Mail')
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AND (messages.ROWID IN (
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SELECT labels.message_id
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FROM labels JOIN mailboxes ON labels.mailbox_id = mailboxes.ROWID
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WHERE mailboxes.url = 'imap://email.app@imap.gmail.com/INBOX'))
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AND messages.mailbox in (6,12,18,24,30,36,42,1,7,13,19,25,31,37,43,2,8,
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14,20,26,32,38,3,9,15,21,27,33,39,4,10,16,22,28,
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34,40,5,11,17,23,35,41)
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ORDER BY date_received DESC;
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CREATE TABLE t1(x INTEGER PRIMARY KEY, y, z);
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CREATE TABLE t2(a, b);
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CREATE VIEW agg2 AS SELECT a, sum(b) AS m FROM t2 GROUP BY a;
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EXPLAIN QUERY PLAN
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SELECT t1.z, agg2.m
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FROM t1 JOIN agg2 ON t1.y=agg2.m
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WHERE t1.x IN (1,2,3);
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CREATE TABLE t920(x);
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INSERT INTO t920 VALUES(3),(4),(5);
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SELECT * FROM t920,(SELECT 0 FROM t920),(VALUES(9)) WHERE 5 IN (x);
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CREATE TABLE t11(w);
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CREATE TABLE t12(y);
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INSERT INTO t11 VALUES(NULL);
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INSERT INTO t12 VALUES('notnull');
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SELECT count(*) FROM t11 LEFT JOIN t12 WHERE t12.y IS t11.w;
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CREATE TABLE t1(a INT, b INT);
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CREATE TABLE t2(c INT, d INT);
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CREATE TABLE t3(e TEXT, f TEXT);
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INSERT INTO t1 VALUES(1, 1);
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INSERT INTO t2 VALUES(1, 2);
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INSERT INTO t3 VALUES('abc', 'def');
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SELECT * FROM t1, t2 LEFT JOIN t3 ON (t2.d=1) WHERE t2.c = +t1.a;
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SELECT * FROM t1 LEFT JOIN t2 ON (t2.c=+t1.a) LEFT JOIN t3 ON (t2.d IS NULL);
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