vtexplain examples

examples/local/vtexplain/atomicity_method1.sh

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+#!/bin/bash
+set -x
+vtexplain -vschema-file vschema.json -schema-file schema.sql -shards 4 -sql 'INSERT /*vt+ MULTI_SHARD_AUTOCOMMIT=1 */ INTO t1 (c1) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);'

examples/local/vtexplain/atomicity_method2.sh

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+#!/bin/bash
+set -x
+vtexplain -vschema-file vschema.json -schema-file schema.sql -shards 4 -sql 'SET transaction_mode="single"; INSERT INTO t1 (c1) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);'

examples/local/vtexplain/atomicity_method2_reads.sh

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+#!/bin/bash
+set -x
+vtexplain -vschema-file vschema.json -schema-file schema.sql -shards 4 -sql 'SET transaction_mode="single"; BEGIN; SELECT * from t1; COMMIT;'

examples/local/vtexplain/atomicity_method2_working.sh

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+#!/bin/bash
+set -x
+vtexplain -vschema-file vschema.json -schema-file schema.sql -shards 4 -sql 'SET transaction_mode="single"; INSERT INTO t1 (c1) values (10),(14),(15),(16);'

examples/local/vtexplain/atomicity_method3.sh

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+#!/bin/bash
+set -x
+# SET transaction_mode="multi"  is implied by default
+vtexplain -vschema-file vschema.json -schema-file schema.sql -shards 4 -sql 'INSERT INTO t1 (c1) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);'

examples/local/vtexplain/atomicity_schema.sql

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+CREATE TABLE `t1` (
+  `c1` bigint unsigned NOT NULL,
+  PRIMARY KEY (`c1`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+

examples/local/vtexplain/atomicity_vschema.json

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+{
+    "ks1": {
+        "sharded": true,
+        "vindexes": {
+            "xxhash": {
+                "type": "xxhash"
+            }
+        },
+        "tables": {
+            "t1": {
+                "columnVindexes": [
+                    {
+                        "column": "c1",
+                        "name": "xxhash"
+                    }
+                ]
+            }
+        }
+    }
+}