Enum DmlPlan 

pub enum DmlPlan {
    InsertSelect {
        table: String,
        columns: Vec<String>,
        source: Box<LogicalPlan>,
    },
    Upsert {
        table: String,
        columns: Vec<String>,
        values: Vec<Vec<String>>,
        conflict_column: String,
        update_exprs: Vec<(String, String)>,
    },
    Update {
        table: String,
        set_exprs: Vec<(String, String)>,
        predicate: Option<String>,
        from_table: Option<String>,
    },
}

A high-level DML plan derived from a SQL statement.

Variants

InsertSelect

INSERT INTO table SELECT …

Fields

table: String

Target table name.

columns: Vec<String>

Optional column list from INSERT INTO t (col1, col2, …).

source: Box<LogicalPlan>

Logical plan for the SELECT sub-query.

Upsert

INSERT … ON CONFLICT … DO UPDATE SET … (PostgreSQL / SQLite UPSERT).

Fields

table: String

Target table name.

columns: Vec<String>

Column list from INSERT INTO t (col1, …).

values: Vec<Vec<String>>

Value rows as string expressions.

conflict_column: String

The conflict target column(s), joined with ", ".

update_exprs: Vec<(String, String)>

(column, expression) pairs from the DO UPDATE SET clause.

Update

UPDATE t SET col = expr [FROM t2] [WHERE pred].

Fields

table: String

Target table name.

set_exprs: Vec<(String, String)>

(column, expression) pairs from the SET clause.

predicate: Option<String>

Optional WHERE predicate rendered as a string.

from_table: Option<String>

Optional source table for Postgres-style UPDATE … FROM t2 ….

Trait Implementations

impl Clone for DmlPlan

fn clone(&self) -> DmlPlan

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DmlPlan

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.