feat: wip where fetcher

src/database/query/mod.rs

@@ -1,3 +1,4 @@
-pub mod select_processor;
 pub mod query_builder;
-pub mod select_parser;
+pub mod select_parser;
+pub mod select_processor;
+pub mod where_fetcher;

src/database/query/query_builder.rs

@@ -1,3 +1,20 @@
-// select query builder
+use crate::database::{self, Database};
-// where query builder
+
-// Combine them
+use super::{select_parser::SelectParser, select_processor::SelectProcessor};
+
+pub struct QueryBuilder<'a> {
+    database: &'a Database,
+}
+
+impl<'a> QueryBuilder<'a> {
+    fn new(database: &'a Database) -> QueryBuilder {
+        QueryBuilder { database }
+    }
+
+    fn select(self) {
+        // select query builder
+        // where query builder
+        // Combine them
+        let output = SelectProcessor::selector(self.database, &cat_table.name, cat_1, select);
+    }
+}

src/database/query/where_fetcher.rs

@@ -0,0 +1,7 @@
+use crate::database::{self, Database};
+
+pub struct WhereFetcher {}
+
+impl WhereFetcher {
+    pub fn find_rows(database: &Database, table_name: String, where_query: String) {}
+}