20 lines
687 B
PHP
20 lines
687 B
PHP
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<?php
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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return new class extends Migration {
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public function up(): void {
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Schema::create('readings', function (Blueprint $t) {
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$t->bigIncrements('id');
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$t->foreignId('device_id')->constrained('devices')->cascadeOnDelete();
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$t->string('metric',60);
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$t->decimal('value',10,3)->nullable();
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$t->string('value_text',50)->nullable();
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$t->timestamp('recorded_at',3);
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$t->index(['device_id','metric','recorded_at'],'idx_dmt');
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$t->index('recorded_at','idx_rec');
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});
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}
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public function down(): void { Schema::dropIfExists('readings'); }
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};
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