From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools

---
 v_windows/v/vlib/mysql/result.v | 153 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 v_windows/v/vlib/mysql/result.v

(limited to 'v_windows/v/vlib/mysql/result.v')

diff --git a/v_windows/v/vlib/mysql/result.v b/v_windows/v/vlib/mysql/result.v
new file mode 100644
index 0000000..e9e1909
--- /dev/null
+++ b/v_windows/v/vlib/mysql/result.v
@@ -0,0 +1,153 @@
+module mysql
+
+pub struct Result {
+	result &C.MYSQL_RES
+}
+
+pub struct Row {
+pub mut:
+	vals []string
+}
+
+pub struct Field {
+	name             string
+	org_name         string
+	table            string
+	org_table        string
+	db               string
+	catalog          string
+	def              string
+	length           int
+	max_length       int
+	name_length      u32
+	org_name_length  u32
+	table_length     u32
+	org_table_length u32
+	db_length        u32
+	catalog_length   u32
+	def_length       u32
+	flags            u32
+	decimals         u32
+	charsetnr        u32
+	type_            FieldType
+}
+
+// fetch_row - fetches the next row from a result.
+pub fn (r Result) fetch_row() &&byte {
+	return C.mysql_fetch_row(r.result)
+}
+
+// n_rows - returns the number of rows from a result.
+pub fn (r Result) n_rows() u64 {
+	return C.mysql_num_rows(r.result)
+}
+
+// n_fields - returns the number of columns from a result.
+pub fn (r Result) n_fields() int {
+	return C.mysql_num_fields(r.result)
+}
+
+// rows - returns array of rows, each containing an array of values,
+// one for each column.
+pub fn (r Result) rows() []Row {
+	mut rows := []Row{}
+	nr_cols := r.n_fields()
+	for rr := r.fetch_row(); rr; rr = r.fetch_row() {
+		mut row := Row{}
+		for i in 0 .. nr_cols {
+			if unsafe { rr[i] == 0 } {
+				row.vals << ''
+			} else {
+				row.vals << mystring(unsafe { &byte(rr[i]) })
+			}
+		}
+		rows << row
+	}
+	return rows
+}
+
+// maps - returns an array of maps, each containing a set of
+// field name: field value pairs.
+pub fn (r Result) maps() []map[string]string {
+	mut array_map := []map[string]string{}
+	rows := r.rows()
+	fields := r.fields()
+	for i in 0 .. rows.len {
+		mut map_val := map[string]string{}
+		for j in 0 .. fields.len {
+			map_val[fields[j].name] = rows[i].vals[j]
+		}
+		array_map << map_val
+	}
+	return array_map
+}
+
+// fields - returns an array of fields/columns.
+// The definitions apply primarily for columns of results,
+// such as those produced by `SELECT` statements.
+pub fn (r Result) fields() []Field {
+	mut fields := []Field{}
+	nr_cols := r.n_fields()
+	orig_fields := C.mysql_fetch_fields(r.result)
+	for i in 0 .. nr_cols {
+		unsafe {
+			fields << Field{
+				name: mystring(orig_fields[i].name)
+				org_name: mystring(orig_fields[i].org_name)
+				table: mystring(orig_fields[i].table)
+				org_table: mystring(orig_fields[i].org_table)
+				db: mystring(orig_fields[i].db)
+				catalog: mystring(orig_fields[i].catalog)
+				def: resolve_nil_str(orig_fields[i].def)
+				length: orig_fields.length
+				max_length: orig_fields.max_length
+				name_length: orig_fields.name_length
+				org_name_length: orig_fields.org_name_length
+				table_length: orig_fields.table_length
+				org_table_length: orig_fields.org_table_length
+				db_length: orig_fields.db_length
+				catalog_length: orig_fields.catalog_length
+				def_length: orig_fields.def_length
+				flags: orig_fields.flags
+				decimals: orig_fields.decimals
+				charsetnr: orig_fields.charsetnr
+				type_: FieldType(orig_fields.@type)
+			}
+		}
+	}
+	return fields
+}
+
+// str - serializes the field
+pub fn (f Field) str() string {
+	return '
+{
+	name: "$f.name"
+	org_name: "$f.org_name"
+	table: "$f.table"
+	org_table: "$f.org_table"
+	db: "$f.db"
+	catalog: "$f.catalog"
+	def: "$f.def"
+	length: $f.length
+	max_length: $f.max_length
+	name_length: $f.name_length
+	org_name_length: $f.org_name_length
+	table_length: $f.table_length
+	org_table_length: $f.org_table_length
+	db_length: $f.db_length
+	catalog_length: $f.catalog_length
+	def_length: $f.def_length
+	flags: $f.flags
+	decimals: $f.decimals
+	charsetnr: $f.charsetnr
+	type: $f.type_.str()
+}
+'
+}
+
+// free - frees the memory used by a result
+[unsafe]
+pub fn (r &Result) free() {
+	C.mysql_free_result(r.result)
+}
-- 
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