Struct sea_query::func::PgFunc

source ·
pub struct PgFunc;
Available on crate feature backend-postgres only.
Expand description

Function call helper.

Implementations§

Call TO_TSQUERY function. Postgres only.

The parameter regconfig represents the OID of the text search configuration. If the value is None the argument is omitted from the query, and hence the database default used.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::to_tsquery("a & b", None))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT TO_TSQUERY('a & b')"#
);

Call TO_TSVECTOR function. Postgres only.

The parameter regconfig represents the OID of the text search configuration. If the value is None the argument is omitted from the query, and hence the database default used.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::to_tsvector("a b", None))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT TO_TSVECTOR('a b')"#
);

Call PHRASE_TO_TSQUERY function. Postgres only.

The parameter regconfig represents the OID of the text search configuration. If the value is None the argument is omitted from the query, and hence the database default used.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::phraseto_tsquery("a b", None))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT PHRASETO_TSQUERY('a b')"#
);

Call PLAIN_TO_TSQUERY function. Postgres only.

The parameter regconfig represents the OID of the text search configuration. If the value is None the argument is omitted from the query, and hence the database default used.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::plainto_tsquery("a b", None))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT PLAINTO_TSQUERY('a b')"#
);

Call WEBSEARCH_TO_TSQUERY function. Postgres only.

The parameter regconfig represents the OID of the text search configuration. If the value is None the argument is omitted from the query, and hence the database default used.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::websearch_to_tsquery("a b", None))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT WEBSEARCH_TO_TSQUERY('a b')"#
);

Call TS_RANK function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::ts_rank("a b", "a&b"))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT TS_RANK('a b', 'a&b')"#
);

Call TS_RANK_CD function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::ts_rank_cd("a b", "a&b"))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT TS_RANK_CD('a b', 'a&b')"#
);

Call ANY function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select().expr(PgFunc::any(vec![0, 1])).to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT ANY('{0,1}')"#
);

Call SOME function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select().expr(PgFunc::some(vec![0, 1])).to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT SOME('{0,1}')"#
);

Call ALL function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select().expr(PgFunc::all(vec![0, 1])).to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT ALL('{0,1}')"#
);

Call STARTS_WITH function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select()
    .expr(PgFunc::starts_with("123", "1"))
    .to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT STARTS_WITH('123', '1')"#
);

Call GEN_RANDOM_UUID function. Postgres only.

Examples
use sea_query::{tests_cfg::*, *};

let query = Query::select().expr(PgFunc::get_random_uuid()).to_owned();

assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"SELECT GEN_RANDOM_UUID()"#
);

Trait Implementations§

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Should always be Self
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.