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Update Database documentation to reflect the deprecation of the entity_id column on states (#35733)
This commit is contained in:
Jay Turner
GitHub
parent
877df6719f
commit
50e29a51b1
@ -41,61 +41,198 @@ Get all available tables from your current Home Assistant database:
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sqlite> SELECT sql FROM sqlite_master;
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-------------------------------------------------------------------------------------
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CREATE TABLE events (
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event_id INTEGER NOT NULL,
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event_type VARCHAR(32),
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event_data TEXT,
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origin VARCHAR(32),
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time_fired DATETIME,
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created DATETIME,
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context_id VARCHAR(36),
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context_user_id VARCHAR(36), context_parent_id CHARACTER(36),
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PRIMARY KEY (event_id)
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CREATE TABLE event_data (
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data_id INTEGER NOT NULL,
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hash BIGINT,
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shared_data TEXT,
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PRIMARY KEY (data_id)
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)
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CREATE TABLE event_types (
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event_type_id INTEGER NOT NULL,
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event_type VARCHAR(64),
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PRIMARY KEY (event_type_id)
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)
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CREATE TABLE state_attributes (
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attributes_id INTEGER NOT NULL,
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hash BIGINT,
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shared_attrs TEXT,
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PRIMARY KEY (attributes_id)
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)
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CREATE TABLE states_meta (
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metadata_id INTEGER NOT NULL,
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entity_id VARCHAR(255),
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PRIMARY KEY (metadata_id)
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)
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CREATE TABLE statistics_meta (
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id INTEGER NOT NULL,
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statistic_id VARCHAR(255),
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source VARCHAR(32),
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unit_of_measurement VARCHAR(255),
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has_mean BOOLEAN,
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has_sum BOOLEAN,
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name VARCHAR(255),
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PRIMARY KEY (id)
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)
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CREATE TABLE recorder_runs (
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run_id INTEGER NOT NULL,
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start DATETIME,
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"end" DATETIME,
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closed_incorrect BOOLEAN,
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created DATETIME,
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PRIMARY KEY (run_id),
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CHECK (closed_incorrect IN (0, 1))
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run_id INTEGER NOT NULL,
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start DATETIME NOT NULL,
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"end" DATETIME,
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closed_incorrect BOOLEAN NOT NULL,
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created DATETIME NOT NULL,
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PRIMARY KEY (run_id)
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)
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CREATE TABLE migration_changes (
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migration_id VARCHAR(255) NOT NULL,
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version SMALLINT NOT NULL,
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PRIMARY KEY (migration_id)
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)
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CREATE TABLE schema_changes (
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change_id INTEGER NOT NULL,
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schema_version INTEGER,
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changed DATETIME,
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PRIMARY KEY (change_id)
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change_id INTEGER NOT NULL,
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schema_version INTEGER,
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changed DATETIME NOT NULL,
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PRIMARY KEY (change_id)
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)
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CREATE TABLE statistics_runs (
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run_id INTEGER NOT NULL,
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start DATETIME NOT NULL,
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PRIMARY KEY (run_id)
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)
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CREATE TABLE events (
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event_id INTEGER NOT NULL,
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event_type CHAR(0),
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event_data CHAR(0),
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origin CHAR(0),
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origin_idx SMALLINT,
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time_fired CHAR(0),
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time_fired_ts FLOAT,
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context_id CHAR(0),
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context_user_id CHAR(0),
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context_parent_id CHAR(0),
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data_id INTEGER,
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context_id_bin BLOB,
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context_user_id_bin BLOB,
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context_parent_id_bin BLOB,
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event_type_id INTEGER,
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PRIMARY KEY (event_id),
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FOREIGN KEY(data_id) REFERENCES event_data (data_id),
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FOREIGN KEY(event_type_id) REFERENCES event_types (event_type_id)
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)
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CREATE TABLE states (
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state_id INTEGER NOT NULL,
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domain VARCHAR(64),
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entity_id VARCHAR(255),
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state VARCHAR(255),
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attributes TEXT,
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event_id INTEGER,
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last_changed DATETIME,
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last_updated DATETIME,
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created DATETIME,
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context_id VARCHAR(36),
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context_user_id VARCHAR(36), context_parent_id CHARACTER(36), old_state_id INTEGER,
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PRIMARY KEY (state_id),
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FOREIGN KEY(event_id) REFERENCES events (event_id)
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state_id INTEGER NOT NULL,
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entity_id CHAR(0),
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state VARCHAR(255),
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attributes CHAR(0),
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event_id SMALLINT,
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last_changed CHAR(0),
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last_changed_ts FLOAT,
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last_reported_ts FLOAT,
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last_updated CHAR(0),
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last_updated_ts FLOAT,
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old_state_id INTEGER,
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attributes_id INTEGER,
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context_id CHAR(0),
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context_user_id CHAR(0),
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context_parent_id CHAR(0),
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origin_idx SMALLINT,
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context_id_bin BLOB,
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context_user_id_bin BLOB,
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context_parent_id_bin BLOB,
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metadata_id INTEGER,
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PRIMARY KEY (state_id),
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FOREIGN KEY(old_state_id) REFERENCES states (state_id),
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FOREIGN KEY(attributes_id) REFERENCES state_attributes (attributes_id),
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FOREIGN KEY(metadata_id) REFERENCES states_meta (metadata_id)
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)
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CREATE TABLE statistics (
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id INTEGER NOT NULL,
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created CHAR(0),
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created_ts FLOAT,
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metadata_id INTEGER,
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start CHAR(0),
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start_ts FLOAT,
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mean FLOAT,
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min FLOAT,
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max FLOAT,
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last_reset CHAR(0),
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last_reset_ts FLOAT,
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state FLOAT,
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sum FLOAT,
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PRIMARY KEY (id),
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FOREIGN KEY(metadata_id) REFERENCES statistics_meta (id) ON DELETE CASCADE
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)
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CREATE TABLE statistics_short_term (
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id INTEGER NOT NULL,
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created CHAR(0),
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created_ts FLOAT,
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metadata_id INTEGER,
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start CHAR(0),
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start_ts FLOAT,
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mean FLOAT,
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min FLOAT,
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max FLOAT,
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last_reset CHAR(0),
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last_reset_ts FLOAT,
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state FLOAT,
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sum FLOAT,
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PRIMARY KEY (id),
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FOREIGN KEY(metadata_id) REFERENCES statistics_meta (id) ON DELETE CASCADE
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)
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CREATE TABLE sqlite_stat1(tbl,idx,stat)
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CREATE INDEX ix_events_context_user_id ON events (context_user_id)
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CREATE INDEX ix_events_event_type ON events (event_type)
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CREATE INDEX ix_events_context_id ON events (context_id)
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CREATE INDEX ix_events_time_fired ON events (time_fired)
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CREATE INDEX ix_event_data_hash ON event_data (hash)
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CREATE UNIQUE INDEX ix_event_types_event_type ON event_types (event_type)
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CREATE INDEX ix_state_attributes_hash ON state_attributes (hash)
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CREATE UNIQUE INDEX ix_states_meta_entity_id ON states_meta (entity_id)
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CREATE UNIQUE INDEX ix_statistics_meta_statistic_id ON statistics_meta (statistic_id)
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CREATE INDEX ix_recorder_runs_start_end ON recorder_runs (start, "end")
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CREATE INDEX ix_states_entity_id ON states (entity_id)
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CREATE INDEX ix_states_context_user_id ON states (context_user_id)
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CREATE INDEX ix_states_last_updated ON states (last_updated)
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CREATE INDEX ix_states_event_id ON states (event_id)
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CREATE INDEX ix_states_entity_id_last_updated ON states (entity_id, last_updated)
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CREATE INDEX ix_states_context_id ON states (context_id)
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CREATE INDEX ix_states_context_parent_id ON states (context_parent_id)
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CREATE INDEX ix_events_context_parent_id ON events (context_parent_id)
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CREATE INDEX ix_statistics_runs_start ON statistics_runs (start)
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CREATE INDEX ix_events_data_id ON events (data_id)
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CREATE INDEX ix_events_event_type_id_time_fired_ts ON events (event_type_id, time_fired_ts)
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CREATE INDEX ix_events_context_id_bin ON events (context_id_bin)
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CREATE INDEX ix_events_time_fired_ts ON events (time_fired_ts)
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CREATE INDEX ix_states_attributes_id ON states (attributes_id)
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CREATE INDEX ix_states_metadata_id_last_updated_ts ON states (metadata_id, last_updated_ts)
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CREATE INDEX ix_states_old_state_id ON states (old_state_id)
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CREATE INDEX ix_states_context_id_bin ON states (context_id_bin)
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CREATE INDEX ix_states_last_updated_ts ON states (last_updated_ts)
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CREATE UNIQUE INDEX ix_statistics_statistic_id_start_ts ON statistics (metadata_id, start_ts)
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CREATE INDEX ix_statistics_start_ts ON statistics (start_ts)
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CREATE INDEX ix_statistics_short_term_start_ts ON statistics_short_term (start_ts)
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CREATE UNIQUE INDEX ix_statistics_short_term_statistic_id_start_ts ON statistics_short_term (metadata_id, start_ts)
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```
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To only show the details about the `states` table (since we are using that one in the next examples):
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@ -110,7 +247,7 @@ The identification of the available columns in the table is done and we are now
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```bash
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sqlite> .width 30, 10,
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sqlite> SELECT entity_id, COUNT(*) as count FROM states GROUP BY entity_id ORDER BY count DESC LIMIT 10;
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sqlite> SELECT states_meta.entity_id, COUNT(*) as count FROM states INNER JOIN states_meta ON states.metadata_id = states_meta.metadata_id GROUP BY states_meta.entity_id ORDER BY count DESC LIMIT 10;
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entity_id count
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------------------------------ ----------
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sensor.cpu 28874
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