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71 lines
1.8 KiB
71 lines
1.8 KiB
use std::borrow::Cow;
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use std::error::Error;
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use std::fmt;
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use command_runner::CommandRunner;
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use symbols::{Action, OwnedSymbolAction, Symbol, SymbolAction, SymbolRunner};
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pub struct MariaDBDatabase<'a, C: 'a + CommandRunner> {
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db_name: Cow<'a, str>,
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seed_file: Cow<'a, str>,
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command_runner: &'a C,
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}
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impl<'a, C: CommandRunner> MariaDBDatabase<'a, C> {
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pub fn new(db_name: Cow<'a, str>, seed_file: Cow<'a, str>, command_runner: &'a C) -> Self {
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MariaDBDatabase {
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db_name,
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seed_file,
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command_runner,
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}
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}
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fn run_sql(&self, sql: &str) -> Result<String, Box<dyn Error>> {
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let b = self
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.command_runner
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.get_output("mariadb", &["--skip-column-names", "-B", "-e", sql])?;
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Ok(String::from_utf8(b)?)
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}
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}
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impl<'a, C: CommandRunner> fmt::Display for MariaDBDatabase<'a, C> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "MariaDB Database {}", self.db_name)
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}
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}
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impl<'a, C: CommandRunner> Symbol for MariaDBDatabase<'a, C> {
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fn target_reached(&self) -> Result<bool, Box<dyn Error>> {
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Ok(
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self
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.run_sql(&format!("SHOW DATABASES LIKE '{}'", self.db_name))?
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.trim_end()
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== self.db_name,
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)
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}
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fn execute(&self) -> Result<(), Box<dyn Error>> {
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self.run_sql(&format!("CREATE DATABASE {}", self.db_name))?;
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self.command_runner.run_successfully(
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"sh",
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&[
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"-c",
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&format!("mariadb '{}' < {}", self.db_name, self.seed_file),
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],
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)
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}
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fn as_action<'b>(&'b self, runner: &'b dyn SymbolRunner) -> Box<dyn Action + 'b> {
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Box::new(SymbolAction::new(runner, self))
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}
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fn into_action<'b>(self: Box<Self>, runner: &'b dyn SymbolRunner) -> Box<dyn Action + 'b>
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where
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Self: 'b,
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{
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Box::new(OwnedSymbolAction::new(runner, *self))
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}
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}
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#[cfg(test)]
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mod test {}
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