Use sqlx

Cargo.toml

@@ -15,9 +15,7 @@ exclude = [
 ]
 
 [dependencies]
-pg_interval = "0.4.2"
-postgres = "0.19.7"
 prettytable-rs = "^0.10"
-rust_decimal = {version = "1.32", features = ["db-postgres"]}
-rust_decimal_macros = "1.33"
+sqlx = {version = "0.6", features = ["runtime-tokio-rustls", "postgres", "macros", "bigdecimal"]}
 thiserror = "1.0"
+tokio = {version = "1", features = ["full"]}

README.md

@@ -240,10 +240,10 @@ This command provides information on the efficiency of indexes, represented as w
 
 ```rust
 struct Locks {
-    pid: String,
+    pid: i32,
     relname: String,
     transactionid: String,
-    granted: String,
+    granted: bool,
     mode: String,
     query_snippet: String,
     age: String,
@@ -291,10 +291,10 @@ This command displays all the current locks, regardless of their type.
 
 ```rust
 struct Outliers {
-    total_exec_time: Interval,
+    total_exec_time: PgInterval,
     prop_exec_time: String,
     ncalls: String,
-    sync_io_time: Interval,
+    sync_io_time: PgInterval,
     query: String,
 }
 
@@ -323,10 +323,10 @@ Typically, an efficient query will have an appropriate ratio of calls to total e
 ```rust
 struct Calls {
     qry: String,
-    exec_time: Interval,
+    exec_time: PgInterval,
     prop_exec_time: String,
     ncalls: String,
-    sync_io_time: Interval,
+    sync_io_time: PgInterval,
 }
 
 calls(limit: Option<String>) -> Result<Vec<Calls>, PgExtrasError>
@@ -353,10 +353,10 @@ This command is much like `pg:outliers`, but ordered by the number of times a st
 struct Blocking {
     blocked_pid: i32,
     blocking_statement: String,
-    blocking_duration: Interval,
+    blocking_duration: PgInterval,
     blocking_pid: i32,
     blocked_statement: String,
-    blocked_duration: Interval,
+    blocked_duration: PgInterval,
     blocked_sql_app: String,
     blocking_sql_app: String,
 }
@@ -536,7 +536,7 @@ struct NullIndexes {
     oid: String,
     index: String,
     index_size: String,
-    unique: String,
+    unique: bool,
     indexed_column: String,
     table: String,
     null_frac: String,