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QueryState

Struct QueryState 

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pub struct QueryState {
Show 15 fields pub sql_input: String, pub cursor_position: usize, pub focus: QueryFocus, pub results: Option<QueryResults>, pub error: Option<String>, pub running: bool, pub table_state: TableState, pub horizontal_scroll: usize, pub sort_column: Option<usize>, pub sort_direction: SortDirection, pub current_page: usize, pub page_size: usize, pub total_row_count: Option<usize>, pub base_query: String, pub order_clause: Option<String>, /* private fields */
}
Expand description

State for the SQL query interface.

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§sql_input: String

The SQL query input text.

§cursor_position: usize

Cursor position in the SQL input.

§focus: QueryFocus

Current focus within the Query tab.

§results: Option<QueryResults>

Query results as RecordBatches.

§error: Option<String>

Error message if query failed.

§running: bool

Whether a query is currently running.

§table_state: TableState

Table state for the results view.

§horizontal_scroll: usize

Horizontal scroll offset for the results table.

§sort_column: Option<usize>

Column being sorted (if any).

§sort_direction: SortDirection

Sort direction.

§current_page: usize

Current page (0-indexed).

§page_size: usize

Rows per page (parsed from LIMIT clause).

§total_row_count: Option<usize>

Total row count from COUNT(*) query.

§base_query: String

Base SQL query (without LIMIT/OFFSET) for pagination.

§order_clause: Option<String>

ORDER BY clause if any.

Implementations§

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impl QueryState

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pub fn insert_char(&mut self, c: char)

Insert a character at the cursor position.

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pub fn delete_char(&mut self)

Delete the character before the cursor.

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pub fn delete_char_forward(&mut self)

Delete the character at the cursor.

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pub fn move_cursor_left(&mut self)

Move cursor left.

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pub fn move_cursor_right(&mut self)

Move cursor right.

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pub fn move_cursor_start(&mut self)

Move cursor to start.

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pub fn move_cursor_end(&mut self)

Move cursor to end.

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pub fn clear_input(&mut self)

Clear the SQL input.

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pub fn toggle_focus(&mut self)

Toggle focus between SQL input and results table.

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pub fn prepare_initial_query(&mut self)

Prepare initial query - parses SQL, sets flags for async execution.

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pub fn prepare_next_page(&mut self)

Prepare navigation to next page.

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pub fn prepare_prev_page(&mut self)

Prepare navigation to previous page.

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pub fn total_pages(&self) -> usize

Get total number of pages.

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pub fn selected_column(&self) -> usize

Get the currently selected column index.

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pub fn column_count(&self) -> usize

Total number of columns in results.

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pub fn prepare_sort(&mut self, column: usize)

Prepare sort on a column by modifying the ORDER BY clause and setting execution flag.

Trait Implementations§

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impl Default for QueryState

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fn default() -> Self

Returns the “default value” for a type. Read more

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