rustyroad 1.2.0

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
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//! Applying a plan during the start phase.

use super::publish;
use crate::database::migrations::CustomMigrationError;
use crate::database::versions::ops::{backfill, Plan};
use crate::database::versions::{exec, stored_plan};
use crate::database::DatabaseConnection;

/// Applies the plan's statements, runs backfills, and publishes the version.
pub(super) async fn apply(
    connection: &DatabaseConnection,
    schema: &str,
    version: &str,
    plan: &Plan,
) -> Result<Vec<String>, CustomMigrationError> {
    for statement in &plan.statements {
        exec::run(connection, statement, &[]).await?;
    }

    // Triggers only fire on write, so rows never touched need an explicit pass.
    let mut backfilled = Vec::new();
    for table in &plan.backfill_tables {
        backfill::run(connection, table, backfill::DEFAULT_BATCH_SIZE).await?;
        backfilled.push(table.clone());
    }

    publish::publish(connection, schema, version).await?;

    // `complete` runs in a later invocation and needs this plan.
    stored_plan::save(connection, version, plan).await?;

    Ok(backfilled)
}