rustyroad 1.7.0

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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//! Row readers for introspection queries.

use super::super::assemble;
use super::super::model::Column;
use sqlx::{postgres::PgRow, Row};

/// Reads a text column, defaulting to empty.
pub(super) fn text(row: &PgRow, name: &str) -> String {
    row.try_get::<String, _>(name).unwrap_or_default()
}

/// Converts a column row into `(table, column)`.
pub(super) fn column(row: &PgRow) -> (String, Column) {
    (
        text(row, "table_name"),
        Column {
            name: text(row, "column_name"),
            sql_type: text(row, "sql_type"),
            nullable: row.try_get("nullable").unwrap_or(true),
            default: row
                .try_get::<Option<String>, _>("default_value")
                .ok()
                .flatten(),
            auto_increment: row.try_get("auto_increment").unwrap_or(false),
        },
    )
}

/// Reads a referential action code, which Postgres returns as a single char.
pub(super) fn action(row: &PgRow, name: &str) -> Option<String> {
    let code = row
        .try_get::<i8, _>(name)
        .map(|byte| (byte as u8 as char).to_string())
        .unwrap_or_default();
    assemble::action(&code)
}