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Use the correct (larger) lifetime of the returned column-related references in Row, Rows and Column

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This commit is contained in:
Pro 2019-08-22 16:53:16 +02:00
parent 2a8339bda7
commit a8d34da2d5
1 changed files with 8 additions and 8 deletions
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16
src/column.rs
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@ -9,14 +9,14 @@ pub struct Column<'stmt> {
decl_type: Option<&'stmt str>, decl_type: Option<&'stmt str>,
} }
impl Column<'_> { impl<'stmt> Column<'stmt> {
/// Returns the name of the column. /// Returns the name of the column.
pub fn name(&self) -> &str { pub fn name(&self) -> &'stmt str {
self.name self.name
} }
/// Returns the type of the column (`None` for expression). /// Returns the type of the column (`None` for expression).
pub fn decl_type(&self) -> Option<&str> { pub fn decl_type(&self) -> Option<&'stmt str> {
self.decl_type self.decl_type
} }
} }
@ -68,7 +68,7 @@ impl Statement<'_> {
} }
/// Returns a slice describing the columns of the result of the query. /// Returns a slice describing the columns of the result of the query.
pub fn columns<'stmt>(&'stmt self) -> Vec<Column<'stmt>> { pub fn columns(&self) -> Vec<Column> {
let n = self.column_count(); let n = self.column_count();
let mut cols = Vec::with_capacity(n as usize); let mut cols = Vec::with_capacity(n as usize);
for i in 0..n { for i in 0..n {
@ -83,7 +83,7 @@ impl Statement<'_> {
impl<'stmt> Rows<'stmt> { impl<'stmt> Rows<'stmt> {
/// Get all the column names. /// Get all the column names.
pub fn column_names(&self) -> Option<Vec<&str>> { pub fn column_names(&self) -> Option<Vec<&'stmt str>> {
self.stmt.map(Statement::column_names) self.stmt.map(Statement::column_names)
} }
@ -93,7 +93,7 @@ impl<'stmt> Rows<'stmt> {
} }
/// Return the name of the column. /// Return the name of the column.
pub fn column_name(&self, col: usize) -> Option<&str> { pub fn column_name(&self, col: usize) -> Option<&'stmt str> {
self.stmt.and_then(|x| x.column_name(col)) self.stmt.and_then(|x| x.column_name(col))
} }
@ -110,7 +110,7 @@ impl<'stmt> Rows<'stmt> {
impl<'stmt> Row<'stmt> { impl<'stmt> Row<'stmt> {
/// Get all the column names of the Row. /// Get all the column names of the Row.
pub fn column_names(&self) -> Vec<&str> { pub fn column_names(&self) -> Vec<&'stmt str> {
self.stmt.column_names() self.stmt.column_names()
} }
@ -120,7 +120,7 @@ impl<'stmt> Row<'stmt> {
} }
/// Return the name of the column. /// Return the name of the column.
pub fn column_name(&self, col: usize) -> Option<&str> { pub fn column_name(&self, col: usize) -> Option<&'stmt str> {
self.stmt.column_name(col) self.stmt.column_name(col)
} }